Battery capacity calculator: advanced mode. C-rate of the battery. Model Specific Calculator: Calculate the estimated run time or battery backup time of specific Battery Backup Power, Inc. UPS (uninterruptible power supply) models using the load in watts and the model/configuration drop down. Video: To use the RC LiPo Battery Power & … You may use the calculator to simply run through all the specifications for either one battery pack or two battery packs! No worries, if you’re wondering which online calculator to use, continue reading to determine the good battery run time calculator on which you can rely on. Another aspect of Peukert's effect is that discharging at lower rates will increase the run time. The rating capacity of the same battery at 0.01C yields more amphours than the rating capacity at 0.05C, so you should care about the hour rate used in battery specification. CyberPower power runtime calculating tool for consumers and IT professionals. Enter your own values in the white boxes, results are displayed in the green boxes. You can calculate your laptop battery life by dividing the battery capacity (Watt-hours or Whr) from the power consumption of your laptop (watts). This battery energy and runtime calculator determines the theoretical capacity, charge, stored energy, and run time of a single battery and several batteries with the same characteristics connected in series and in parallel to form a battery bank.. C-rate is used to describe how fast a battery charges and discharges. The ride time that a battery pack provides varies depending upon the Amp hour (Ah) rating of the batteries and the number of batteries in the battery pack. Calculate Battery Life Watt Hours / Watts = Battery Life (in hours) Example: 60 Whr / 20 Watts = 3 Hours. In order to use this calculator you will need two separate AH ratings, given by the manufacturer, as well as the amperage, in direct current of your load. How to Calculate Laptop Battery Run Time. The results are estimates only; the actual results will vary with battery condition, age, temperature, discharge rate, and other factors. The higher the Amp hour rating of the batteries and the more batteries that are in the pack, the longer the ride time … If you open the advanced mode of this battery capacity calculator, you will be able to compute three other parameters of a battery. The calculation to find out the capacity of battery can be mathematically derived from the below formula When it comes to online calculation, this battery life calculator can assist you to determine the time that how long the battery … Calculation of battery pack capacity, c-rate, run-time, charge and discharge current Battery calculator. For example, a 1C battery needs one hour at 100 A to load 100 Ah. Battery life will be high when the load current is less and vice versa. This simple battery run-time calculator shows approximately system runtime in hours and days, taking into account: - battery ampere-hours - the power consumption of up to three devices - system running hours per day - system efficiency The most common formula used to determine battery life is: (battery capacity in milliampere-hours) divided by (load current in milliamperes). How long will a 12V battery last? Example: Calculate the rated energy and charge stored in a UPS 12 V, 8 Ah battery and its run time if it discharges at the 2C rate. For an explanation of why a calculator is necessary to figure out the true run time of your battery see Puekert’s Law. A clickable product link will generate in the calculator based on the model/configuration you select. The predicted results will best represent actual results when using new, high-quality cells at room temperature when the estimated run time is between 1 hour and 1 year. 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