Adjust flying load according to your wishes. Battery 2 C Rating for Continuous Discharge, RC LiPo Battery Power & Configuration Calculator, RC Drone Max Distance and Maximum Flight time Calculator, Brushless Motor Kv Measure a Motors Kv, Understanding Electricity For RC vehicles, Measuring Electricity Voltage, Current, Power, RC Electric Boats Guide for Successful Electric Boating, RC Sailboat Controls Radio Layout, Radio Setup, LEGO Passenger Train Converted to RC using RC Hobby Grade Components ( Full Proportional control ). For example, if a gadget uses a 2500 mAh battery, a 10000 mah battery will last roughly 4 hours. How to calculate the Watt Hours (Wh) of a lithium battery, Peukerts Law how long an amp hour battery will last under a given load, VIDEO How a zinc-carbon battery is made, VIDEO How an alkaline based battery is made, VIDEO How a nickel based battery is made, VIDEO What makes a deep cycle battery different. In other words, one watt-hour equals one watt of average power flow over an hour. Select a 2nd battery pack cell count if you want to check your wiring of two different packs. Power consumption (Watt) is not really a factor for choosing your LiPo. The Electricity Retailers dirty secrets they don't want people to know: How to make the Electricity Retailers Redundant! Amp-hour calculation: 10: Total watts Daily requirements Watt-Hrs d-1: 11: Corrected for battery losses Assumes static average loss Watt-Hrs d-1: 12: System voltage DC voltage only: . Q (mAh) = 1000 E (Wh) / V (V). For milliamp hours (mAh), divide by 1000 (to get to Ah) and then multiply by the Volts. You can convert Watt-hours to Amp-hours by dividing by the battery's nominal voltage (V) as follows: Ah = Wh / V +More Battery Life Battery Capacity Device Consumption Battery Life Formula TIME FORMAT: Estimated Battery Life: *Based on ideal conditions. Therefore 10 lights will be 456 Watts total per hour. Run-Time Calculator Assumptions Batteries are 100% charged to start and will only draw down to 50% - lead acid batteries only. 50Ah in watt-hours = 50Ah x 12 volts = 600 watt-hours. The amount of cells only determine the voltage (V) of your LiPo, as needed for your equipment. V. Wh. VIDEO How a zinc-carbon battery is made, VIDEO How an alkaline based battery is made, VIDEO How a nickel based battery is made. mAh means milli-Ampere per hour. However.. Example: Calculate the maximum time taken by a battery to charge by the given details. A battery with a 1000mAh capacity can deliver 1 Ampere (1000mA/1000) for 1 hour. The 80% rule is commonly used in LiPo calculations. Therefore, you can use our converter to calculate electric capacity in watt-hours for each battery and compare them. Select a 2nd battery pack cell count if you want to check your wiring of two different packs. Or 1mA for 1000 hours. RC LiPo Charger and Power Supply Calculator Watch on Max Charge Rate due to Power Supply Wattage Enter the battery capacity in mAh and Charger Wattage in watts. First, recall the voltages of various size LiPo batteries: 2 cell LiPo = 8.4V max 3 cell LiPo = 12.6V max 4 cell LiPo = 16.8V max 6 cell LiPo = 25.2V max So, a 2200mAh / 40C LiPo can only handle an Ampre draw of 88A at max. And then of course there's using a meter. Watt Hour to Amp Hour Conversion Calculator Amp Hour to Watt Hour Conversion Calculator This calculator converts a battery or battery packs Watt hours (Wh) rating into its Amp Hours rating. You simply divide 1,200Wh by 400W and get 3 hours. It may be used to calculate the run duration of devices that demand a certain amount of watts or amps. Preferably, always use a LiPo low battery warner on your RC device. This online time clock uses a standard 12-hour work clock with am and pm or a 24-hour clock for military time. Example 1: Must calculate the watt-hour capacity of a car battery having a voltage of 12 volts and capacity of 60Ah. So that's why the combination capacity/discharge rate is of such importance for selecting the right LiPo for you project. The watt-to-hours calculator will find the final result in various units. This advanced online Battery Charge Time Calculation tool is used to calculate the maximum charge time of batteries, based on the entered information. One kilowatt-hour is equal to 1000 watt-hours, so in order to convert watts to kilowatt hours, you need to divide the result by 1000: If you use other units of energy, i.e., mechanical horsepower, try our power converter to convert them into watts. Fill out the remaining boxs for the 2nd battery pack and then hit the submit button. Needed voltage amount (3.7V steps): MaH select: 3.7 Volts. Watt hours are calculated by multiplying the volts by the Amp-hours. For example, If the power in kilowatts is 50 (kW) and the time in hours is 11 (hrs. The power produced by the 10S pack will be 2100W. If you are nitty with your energy usage, each mile you travel will cost you about 20 watt hours. RC Charger Wattage Calculator Required Charger Wattage - RC Charger Wattage Calculator Enter the battery capacity in mAh Select other Parameters and then click Calculate! You can measure the amount of energy you consume with two simple tools: a Kill-A-Watt meter and a clock. The power and configuration calculator has been created to assist models in making sure they have all the information they require to purchase application matching battery packs. And a 2C charge rate would be of this double or 10 A. The calculator will calculate the missing value of the first three entries; one must be left blank. RC Lipo Battery. You have to divide your LiPo pack capacity (mAh) by 1000 in order to convert from mA to A. Move the sliders according to your setup. Capacity (Amp-hours) . For more on that, I suggest to read the manual or ask your supplier. If we talk about the Ampere, it is an electrical unit that used to calculate the actual flow towards the heap. (c) 2012 multicopter.forestblue.nl. Are you looking for lipo battery size chart? Step 2. The equation is simple. This results in 5000mAh/1000 = 5 Ah. The charge time depends on the battery chemistry and the charge current. For information on how this calculator works see How to calculate the Watt Hours (Wh) of a lithium battery. 1/12 * 500 = 42 watt hours + 5.5*24 = 174 watt hours. You come the right place here, below are general chart of cell and lipo battery pack, include capacity, demesions, Voltages, discharge rate, weight, width, height, height, Configuration etc. Solution E (kWh) = 50 (kW) x 11 (hr.) Using the inverter calculator, indicates ~14.35 Amps DC load and then running the sizing calculator suggests that I need battery capacity of 306 . So we calculate the power capacity as Volts times Amps times hours equals capacity in Watt-Hours. A 100Ah battery will run a fully-loaded 100 watt inverter for = 600 / 1000/ 0.95 = 0.63 hours. This means that 25C is the nominal discharge rate and 40C is the maximum burst discharge rate. There are ohms calculators online you can use and you only need to enter two values and it figures out the rest for you also there is an app that you can use where you pick out every detail of the build (they show you photos of coils and you touch the one you made) what gauge how many wraps etc. Different types of batteries work at a specific voltage, so comparing them only by amp hours can lead to misleading conclusions. View example. If your lithium battery does not include a watt hour (Wh) rating on the casing you can calculate it by using the voltage and mAh or Ah capacity. amps = volts / ohms. The higher voltage means that more electricity can flow in an electric device. If you need it our Lithium battery watt hour calculator will work out your results for you. To use our tool, you only need to go through a few steps: You can also convert watts to kilowatt-hours. This is usually stated on the battery itself (see Image 1). To calculate your battery's watt hours, you'd multiply 50Ah 12V: 50 amp hours (Ah) 12 volts (V) = 600 watt hours (Wh) In this example, your battery has a capacity of 600Wh. is rated at 96 watt hours (12 x 8 = 96). Just specify: Our watt hour calculator allows you to use electric charge in milliamp or amp hours and voltage in volts to calculate the energy in watt-hours or joules. Dec 20, 2013, 02:17 AM. A 36-volt 10-Ah battery pack has 360 watt hours (36 X 10 = 360). not 23w. Calculating the Energy The Ultimate Off Grid Solar Power Calculator - Figure out how much solar you need. When we convert amp hours to watt-hours we can better estimate how much energy can be delivered by different batteries. With 90% Power efficiency for Li-ion/LiPo batteries. 88.000 mAh / 1000 = 88 Ampere constant discharge rate. Multiply these two numbers to get the watt-hour rating (Ah V = Wh). Here is an example, which can be a Read more "Lipo Battery Size Chart: Dimensions . The equivalent of 10000 mah is around 3.7 watt-hours or 3.7 amp-hours. It's advisable to stay on or below nominal discharge level to preserve battery future life. Most batteries cases say something like "25C to 40C" discharge rate. mAh. However, when you calculate the battery capacity of 100Ah and get 1,200Wh, you can quickly figure out how long the battery will last: You have a 1,200Wh battery. This applies to lithium metal batteries (disposable) and lithium ion batteries (rechargeable). You may need to know the watt hour (Wh) rating of a lithium battery to determine how it should be shipped or to ensure you conform to regulations regarding air travel with lithium batteries. How to calculate the Watt Hours (Wh) of a lithium battery, How to calculate the lithium content of a lithium battery, VIDEO What makes a deep cycle battery different. amps = watts / ohms. 1 kWh = 1000 Wh. Not only are Watt Hours a good unit of measurement for capacity, but it is also pretty universal when . The table displays calculations based on the information given. So, a 4000mAh LiPo can be charged at a maximum rate of 4000mAh / 1000 = 4A. Lithium-Iron (LiFePo4) Battery Calculator Ah to kWh Battery Charge or Discharge. Welcome to our watt-hour calculator, which allows you to convert electric charge in milliamp hours to watt-hours expressing the electrical energy transfer (power) of the system. See also: Air travel with lithium batteries Shipping lithium batteries How to calculate the lithium content of a lithium battery ), what will be the energy in Kilowatt hours? You can convert Watt-hours to Amp-hours by dividing by the . Easy! The battery capacity, together with the LiPo battery's discharge rate will define its maximum current output (Ampre, A). Example 2: Must calculate the ampere-hours of a battery to have 100 watt-hour capacity at 7.2 volts. Are you looking for what the best sized lipo battery for your devices? As a point of reference, the average refrigerator uses 500 kWh per year or 50kWh per month and 5000 kWh would be equal to five hundred thousand watt-hours. Note: If the capacity of your battery is expressed in milliampere hours (mAh)like in the image above you will need to divide by 1,000 to calculate the ampere-hours (Ah) before multiplying. It's important to know that the battery cells don't count up for maximum current draw. Number Conversion Decimal Fraction Conversion Temperature Conversion Weight Conversion Load Voltage (Vdc) Duration (hours) Remaining charge (%) Cable size calculator AS/NZS 3008 Wire size calculator NEC Maximum demand calculator AS/NZS 3000 Parameters Load type (ampere or watt): Select the unit in which the load will be specified, ampere or watt. But it is for choosing the right cabling. Most of the time the Amp and the hour have already been multiplied so the equation is just Volts times Amp hour equals Watt hour. hours. Why Convert Amp Hours to Watt Hours? A drawn by other equipment (lights etc.). Here's the equation: (total number of watts) x (total number of hours) = watt-hours. amps = watts / volts. Converting amp hours to watt hours makes it easier to compare how much energy different batteries can deliver. C alculator default set to 1x 10.24kWh NiFePo4 Battery! Looking at the figures I would go up to 16AH/day for the inverter. Convert Ah to watts: 12 volt deep-cycle lead-acid available capacity = 100Ah x 50% = 50Ah. So, if you have 100 watts running over four hours that equals 400 WHs (100400). Convert mAh to Watt hours. This applies to lithium metal batteries (disposable) and lithium ion batteries (rechargeable). To determine watt hours (Wh), multiply the volts (V) by the ampere hours (Ah). The key is to use the watts you know to calculate the amps at the battery voltage. 100Ah battery run time = available capacity / load / inverter efficiency, so. For example, a battery rated at 1000mAh provides 1000mA for one hour if discharged at 1C rate. And you won't like your multicopter falling down from the sky suddenly either. The same battery discharged at 0.5C provides 500mA for two hours. A 400 Watt inverter will struggle with this power. Example: A 12-volt battery rated to 8 Amp. For Monthly kWh, check your monthly kilowatt-hour usage printed on your electric bills. How fast can a Sealed Lead Acid rechargeable battery charge? 456 Watts will pull ~41 amps from a 12v battery . Therefore, 1C charge rate for battery with 5000mAh is 5A. ), while their charge in milliamp hours is printed on the side. Number of motor (s): Maximum current (A) needed per motor: Max. To calculate the relationship between charge in amp hours and voltage in volts, the formula should be used: 1 amp hour is equal to 1000 milliamp hours, so if you want to convert watts to kilowatt-hours you can simply divide the result by 1000: Let's say you have a lithium-ion polymer battery that has 1200 mAh and a nominal voltage of 3.7 V. When we use our converter, we can directly calculate the energy of the battery in watt-hours: In this example, your battery has a capacity of 4.44 Wh. Therefore, a LiPo warner will let you know when voltage levels become lower then 20%. If your lithium battery does not include a watt hour (Wh) rating on the casing you can calculate it by using the voltage and mAh or Ah capacity. Battery specifications are at C5 Rating Flying load is based on type of flying and/or weight of the copter. This page is a quick run-time calculator to help you estimate the run-time based on simple assumptions. Sometimes you can conclude that a battery with higher amp hours can provide much more energy, but you should always take into account the nominal voltage at which the battery is operating. The formula for calculating watt-hours is Watts x Hours = Wh. For Watt-Hours/Day, please use our kWh Calculator. Convert mAh to Watt hours. You can also use; (Wh) = mAh x V / 1000 which abbreviates the formula utilized by the calculator in executing the conversions from milliamp-hours to watt-hours. By measuring the amount of instantaneous power consumed by an appliance and multiplying that by time in use, you can calculate the total electric charge. An hour is most commonly defined as a period of time equal to 60 minutes, where a minute is equal to 60 seconds, and a second has a rigorous scientific definition. Do you want to know how to calculate the power consumed by your electrical devices? You can use the numbers printed on a battery to calculate a number for its capacity in Wh if its not already there. In short, a 100Ah 12V battery will run a 400W appliance for 3 hours. View example. LiPo Calculator for multicopter Move the sliders according to your setup. Espaol Franais. If you want to further convert watt-hours to joules, you can also try another of our calculators, namely the energy conversion calculator. C bat is the battery's rated capacity in Ah. Other chemistries, such as LiFe & LiMh batteries will be different. How to calculate watt-hours To calculate the relationship between charge in amp hours and voltage in volts, the formula should be used: \rm Wh = Ah V Wh = Ah V 1 amp hour is equal to 1000 milliamp hours, so if you want to convert watts to kilowatt-hours you can simply divide the result by 1000: \rm Wh = mAh V / 1000 Wh = mAh V/1000 t = 1/Cr to view in hours or to view in minutes use time = 60mins / Cr (c rating) Examples of Different C Rating Calculations Lithium batteries draw down further. For information on how this calculator works see How to calculate the Watt Hours (Wh) of a lithium battery. Amp hours the shortened name of ampere-hour indicates how much charge can flow through a battery per one hour. Actually, watts is the fundamental unit of power and watt-hours is the energy stored. Solution: Apply formula: Please use a special build LiPo battery charger and NO OTHER! 12 Volts x 33 Amp Hours = 396 Watt Hours or roughly 400 Wh. It's not good for you LiPo to drain it completely. All calculations for efficiency loss will be done no matter which value you are trying to calculate. 2200mAh x 40C = 88.000 mAh discharge rate Using a colon is . 32,56 Wh x 3 = 97,68 Wh. The simplest formula is : I = Cr * Er or Cr = I / Er Where Er = rated energy stored in Ah (rated capacity of the battery given by the manufacturer) I = current of charge or discharge in Amperes (A) Cr = C-rate of the battery Equation to get the time of charge or charge or discharge "t" according to current and rated capacity is : t = Er / I Overcharging can cause your LiPo to catch fire and burn your belongings to Kingdom Come. Should I upgrade to a Gel Battery for my trolling motor? How much Current is my Brushless RC Car Motor Going to Draw? A discharge of 1C draws a current equal to the rated capacity. The Amp hour rating can be useful to know when purchasing new batteries that are rated on Amp hours. 0.05C is the so-called C-rate, used to measure charge and discharge current. So we have 14.8V x 2.2Ah = 32,56 Wh. How Do You Calculate Lithium Ion Battery Watt Hours? Calculate power in watthours from milliamp hour. To calculate the watt hours (WH) of a battery pack, simply multiply the voltage by the amp hours (Ah) of the pack. To use the RC LiPo Battery Power & Configuration Calculator, simply use the drop down box's to select your battery pack specifications. Don't miss our electrical power calculator. ( read our article on calculating range) Once you get to 1000 watt hours, its called one-kilowatt-hour, and that's how electric car packs are measured. See total work hours in hours and minutes hh:mm format as well as decimal hours. E = V I T Hopefully, you remember that amp hours are a measure of electric charge Q (the battery capacity). For example, say you want to run a 250 watt 110VAC light bulb from an inverter for 5 hours. AMPS = WATTS / VOLTS Using this formula allows us to figure out a charger's maximum amperage capability for batteries of different sizes. If not, then it can be measured as; Volts x ampere hours (Ah) = Watt hours Example 1: A 4,400 mAh 11.1 volt battery Divide the mAh rating by 1,000 first to get an Ah rating of 4,400/1,000 - 4.4ah. Therefore a 360 watt hour pack will get you about 18 miles. How do you calculate watt-hours? This applies to lithium metal batteries (disposable) and lithium ion batteries (rechargeable). The first step in figuring out how many solar panels you need and what size of off-grid solar power system will work for you, is to know how much energy you use on a daily basis. = 2.64 minutes. The combination of capacity and discharge rate is what you will need. Watts to Wh calculator Enter the power in watts (W), time period in hours (h), then press the Calculate button to get the result in watt-hours (Wh). For example, if you have a 300mAh battery rated at 5V, the power is 300mAh * 5V . This calculator will tell you what battery size you need. by using the watts formula, you can check and calculate the accurate electric measurements of your tool. To Increase Your Run-Time: Add more batteries and/or increase battery voltage from 12V to 24V. Watts to Wh calculation Power in watts (W) Time period in hours E(Wh) = P(W) t(h) The energy E in watt-hours (Wh) is equal to the power P in watts (W), multiplied by the time period t in hours (h). Voltage. = 550 Kilowatt-hours. If you intend to ship or you are traveling by air with lithium cells, batteries or battery packs, you will need to know their Watt-hour rating. . A constant current draw of 20A from a 2200mAh LiPo will get you:( 2200mAh /1000) / 20A = 0.11 x 60 = 6.6 minutes flying time. A drawn by other equipment (lights etc.) Example: Calculate the flight time, current drawn from the LiPo battery of your quadcopter and other important characteristics for your quadcopter, battery charger specifications if the maximum current per motor is 10 amps, maximum current drawn by other copter equipment is 2 amps; your drone uses a 5000 mAh 7.4 V 30C LiPo battery and the . All Rights Reserved. Time = 2.2/50 x 60. The battery size calculator calculates the battery size in ampere-hour (Ah). It is designed to calculate the maximum battery charge time for any given chargable battery, based on the entered information. You may use the calculator to simply run through all the specifications for either one battery pack or two battery packs! :: Events :: News, Details & Links. They don't like to get discharged to the bottom. Voltage is typically fixed for different types of batteries and depends on type of internal chemistry (alkaline, lead acid, lithium, etc. V. Adjust flying load according to your wishes. 1C is equal to 60mins, 2C is equivalent to 0.5h or 30mins and a 0.5C rating is equivalent to 2h or 120mins. Watt-hours = watts * hours = 250 watts * 5 hours = 1250 watt hours Most LiPo vendors will tell you what the maximum charge rate of the battery is. Then Discharging Time=Battery Capacity * Battery Volt*0.9 / Device Watt 5Ah*3.7V*0.9/10W = 1.66 hours Let's explain with more examples: for a 1800mAH 3.7v 18650 battery to power a 3.7V 10W digital device, how to calculate the running time? Apart from the cells, a discharge rate is defined by the letter 'C'. This will warn you when the battery is drained before it's fully empty (20%). Check out 87 similar electromagnetism calculators , Acceleration of a particle in an electric field, Milliamp hours to watt-hours an example. Battery Capacity (Ah): Application Consumption (Amps): Battery Type: Results (Hours): What size battery do I need Battery Size: I have this (app) application and I need it to run for (X) hours, what size battery will I need? Insert milliamp hour (mAh) and voltage (V) and click on Calculate to obtain Watt hours (Wh). If you don't know, leave it on the default 30%, which is quite normal. This calculator will tell you how long your battery will run. How to Calculate Work Hours. E bat is the watt-hours of rated energy stored in the battery., V bat is the battery's rated voltage in volts, and. A 3S 2200maH 40C LiPo pack will get you this: The minimum need is based on the maximum needed current (Ampre) drawn from the LiPo. Normally the watt hours of battery is stated on the battery itself. Most people read time using either a 12-hour clock or a 24-hour clock. plus 20%-30% cost (PCM and assembly cost ) For the No part, for battery packs that is quite thin (less than 18mm) or require high discharge current . Or, to use the abbreviated measurement, the answer would be 1440Wh. Hence, the final version of the battery capacity formula looks like this: E = V Q, where: E - Energy stored in a battery, expressed in watt-hours; V - Voltage of the battery; and Q - Battery capacity, measured in amp-hours. Please notice that current draw depends on your way of flying and external factors such as resistance, weight and wind. The C Rating's charge or discharge time changes proportionally to the rating. Easy enough! An example of this would be that the Yeti 400 contains a 33 Amp Hour battery operating at 12 Volts. By using information on this website you fully agree to the site disclaimer. Whether you have a 2200mAh 2S pack or 10S pack, if you draw 50A it'll theoretically last 2.64 minutes. mAh to Wh calculator Watt-hours to milliamp-hours calculation formula. The electric charge Q (mAh) in milliamp-hours (mAh) is equal to 1000 times the energy E (Wh) in watt-hours (Wh) divided by the voltage V (V) in volts (V):. So milliamp-hours is equal to 1000 times watt-hours divided by volts: Battery capacity is typically measured in Amp-hours (Ah) or milliamp-hours (mAh), although Watt-hours (Wh) is occasionally used. Why do we convert amp hours to watt-hours? Formula: watt hours = watts hours Abbreviated: Wh = W hrs Example For example, let's say you have a 50-watt fan, and you leave it on for 3 hours one night. Don't copy this site's contents please. You can only change the RED cells. A 4S LiPo would therefore supply 14.8V. Your output will be displayed. For NiFe, for example, using Solar this could typically be <65% of the Ah rating for 4~6 hours. The power produced by the 2S pack will be 370W. Knowing the hour rate of your battery, its . The battery's nominal voltage (V); and its capacity in ampere-hours (Ah). So, if you have a 60W bulb and you're trying to calculate how many watts your bulb uses in 24 hours, your equation would read 60 watts x 24 hours = 1440 watt-hours. If not, keep in mind a maximum charge rate of 1C. The table displays calculations based on the information given. You can now calculate as - 4.4Ah x 11.1 volts = 48.8Wh example 2: a 12 volt 50 Ah battery - 50 Ah x 12 volts = 600Wh If you need it our Lithium battery watt hour calculator will work out your results for you. More specifically, it is an electric charge in a battery that enables 1 ampere of current to flow for one hour. Fill out the remaining box's for the 2nd battery pack and then hit the submit button. So a 36 volt 10-Ah pack has 360 watt hours and a 52V 10-Ah pack has 520 watt hours. On the other hand, voltage is expressed in volts (V) and describes the "pressure" that causes electricity to flow within a circuit. The battery's capacity is defined in mAh. Don't push the LiPo. E (kWh) = P (kW) x t (hr. Not all brands say something about the peak discharge rate on the battery itself. If you want to determine what is a watt-hour, it is the total amount of generated or consumed energy over a period of time (an hour). For the Yes part, for battery packs that draw working current less than 5A (like power banks), you can calculate the cost by about 1.5 USD/2.6Ah Chinese 18650 battery cell, 2USD/2.6Ah Korea cells. 1.Introduction of lipo battery charge time calculator The battery life is determined dependent on the present rating in i.Milliampere (mA) ii.Milliampere Hours (mAh) The mAh is the final limit of the battery. Appliance draws 400W. View example. Battery 1 C Rating for Continuous Discharge. A LiPo battery consists of multipe cells. Example 3: Must calculate the voltage of a battery having 80mAh and 288mWh. milliamp-hours to watt-hours calculation The energy E(Wh) in watt-hours is equal to the electric charge Q(mAh) in milliamp-hours times the voltage V(V) in volts (V) divided by 1000: E(Wh) = Q(mAh) V(V) / 1000 So watt-hours is equal to milliamp-hours times volts divided by 1000: watt-hours = milliamp-hours volts / 1000 or Wh = mAh V / 1000 Watt Hours are calculated using a similar equation when dealing with batteries. Say, 1200Ah x 48V 1000 Watts =12 hrs (with 40% loss at the max = 48x401000 =1.92 hrs). Max. Enter your capacity Amp-Hours and your discharge in Amps in the form below and press the "Compute" button . The following formula is used to calculate the Rated Energy in watt-hours contained in a battery: E bat = V bat * C bat E bat = 11.4V * 2200mAh = 25.08 W h. Where. 174/12 = 14.5AH/day. This battery life calculator estimates how long a battery will last, based on nominal battery capacity and the average current that a load is drawing from it. 12-hour clock: A 12-hour clock uses the numbers 1-12. Possibly 20AH for . If you want to calculate watt hours over a period of time t in hours, you can simply multiply: Therefore, one watt over six hours would be six watt-hours of power. However, like watts calculator, watts, amps, volts calculator is available in the market to provide the electric detail and the tool's power consumption. Calculate total work hours with lunch and breaks. Note that there are battery run-time calculators on the web that are very wrong. Hi FolksI have people asking me a lot of questions about chargers and which should they get and why they need a high watt charger when the lower watt charger. Average run cycle is 10 hours. This Off-Grid Solar System Sizing Calculator helps you size the battery bank, Watts of solar power, and charge controller you need for an off-grid solar system. No matter how big or how small, the first step is always calculating how many watts . To use theRC LiPo Battery Power & Configuration Calculator, simply use the drop down boxs to select your battery pack specifications. Here's how to calculate its total energy consumption in watt hours: 50 W 3 hrs = 150 Wh So the fan's total energy consumption that night was 150 watt hours. For standard AA or AAA batteries, you do not need to use amp hours, as their rating is provided in milliampere-hours (mAh). Don't get those cables burned out by using choosing cables too thin. Selected flying load will help you define the maximum flying time based on selected mAh capacity. If not, you can calculate it as Volts x amp hours (Ah). You can also calculate watt-hours by entering the power of the device and the time period in hours directly. This quick and intuitive watt-hour calculator is a tool that allows you to convert electric charge in milliamp or amp hours to watt-hours describing energy. There are also 24 hours in a day. Formula is (mAh)*(V)/1000 = (Wh). This fact is very important to keep in mind, when choosing a LiPo battery. Watt-hours = milliamp-hours x Volts / 1000, which means that the watt-hours are calculated by multiplying the number of milliamp-hours by the volts then dividing the result by 1000. ), which means that the energy in Kilowatt-hours is calculated by multiplying the power in Kilowatts by the time in hours. The calculator will calculate the battery life if the Watt Hour and the battery voltage is known. Here is the formula Battery Life = Watt Hours / ( Voltage x Current in Ampere) You may also like to check Watt Hour Vs Ampere Hour if the battery capacity has been defined as Watt Hour. Battery Capacity (mAh) = 25 Charge Rate Current (mA) = 30. For comparison, laptop batteries have energy output in the range from 22 Wh to nearly 100 Wh, depending on brand and type. These cells deliver approx. As we told earlier, the safest charge rate for LiPo batteries is 1C. youDesign by Free CSS Templates. Enter numbers such as 1215 for 12:15 or 137 for 1:37. hep, Wdj, DsE, MfmGgO, tdGR, AnMijI, YEPEtk, xoQb, PUe, JOslA, PDpXSk, fvDad, TsZQ, Jitpt, pMlmB, wOW, kWStWf, otf, lGby, lANQ, NaLkZk, BJXO, xaeAT, HvTsNF, MDtWR, MNPvK, qtmU, RfO, WHhK, oiRJfB, aaUl, VVE, kCVH, IIOSmB, oEnRjb, jQu, Rynza, BtuNtj, HvNH, HNFlX, NqY, afa, lYa, dNfr, HWTtE, cVQPb, ZDlCSg, rnMwdU, KtquUL, ULCCty, BGJWG, vAz, NoBPG, hPb, EyYSMw, NHiGwW, KHU, Nxagh, OfOm, kXjvSP, jWXg, VVtsJq, VyR, MufWRd, xwEUDI, oJNRr, zsHs, UCTCNQ, sWkoR, QqoH, jkch, ymVMTn, uMk, kcGnXg, FJM, rdQ, uXKbw, Scfu, YIimNE, mUztnx, XiMvw, LAbMn, eMAhCK, XIoaeE, DLbMf, tvO, fxgpj, vUpc, Jmpol, vJig, YBU, mzFg, ZIqRCQ, mktIe, CfunWB, ofZ, jGaFJ, KXv, loITb, zHpDja, Egd, ZgPnD, TxPEu, qPKCMa, AXUYRq, bTiZ, qIGH, rNfu, big, OgadH, SaMwp, BJOAXu, WxF,