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Get an accurate estimate of battery life with the help of this free battery life calculator seamlessly. As this online tool is solely designed to calculate the average consumption and the battery life.
Battery life refers to a specific period in which it keeps working and after that time, it needs to be recharged. It is the lifespan of the battery that lasts until you have to replace or recharge it. The life of a battery is affected by several factors such as moisture, high temperature, dirt, vibration and more.
Either you are performing the battery life calculation manually, or with the help of the battery life calculator, you will have to determine the following terms for performing the correct calculations.
The most vital terms related to battery life are:
It means the total capacity of the battery in ampere-hours. You can find it on your battery. Mostly, it is printed on the battery.
This is the average amount of current in amperes that has to go out towards the electronic devices connected to the battery.
This is the percentage of the battery capacity that is never gonna be used.
Let’s see the following formula to calculate the battery life manually:
Battery life = Capacity / Consumption × (1 – Discharge safety)
In sleep mode, your device is still ON and it consumes power of the batter but this consumption is lower than the awake time. If you need to find out the average consumption then use the following formula that is based on the awake and sleep time.
Average consumption = (Consumption1 × Time1 + Consumption2 × Time2) / (Time1 + Time2).
If it seems difficult to perform the calculation then get the help of a battery drain calculator. As it will let you perform the calculation instantly.
This is the amount of time in which the electronic device is not sleeping during one operational cycle of the battery.
The amount of consumption in amperes that your devices consume in sleep mode.
This is the time that your device spends in sleep mode during one cycle of operation.
The life of a battery is the most important factor in a circuit. It is very essential to estimate how long the battery will last according to the amount of consumption. You can perform battery run time calculation, manually with the help of the above-listed formula or can get the assistance of a good online battery life calculator.
Follow the below-listed steps to calculate the battery life manually:
If you are not good at calculations, then don’t worry, simply get the assistance of a battery runtime calculator. By using it, you will be able to know the battery life effortlessly.
Calculating the battery life with our battery run time calculator is much easy and straightforward. You just have to add a couple of inputs and it does the rest calculation instantly. Let’s see how it works:
Inputs:
Output:
Battery run time calculation depends on the following characteristics:
| Type of Battery | Electrolyte | Operating Temperature (oC) |
Open Cell Voltage (V) |
Energy Density (Wh/kg) |
Charge / Discharge Efficiency (%) |
Power Densities | Life Cycles | ||
|---|---|---|---|---|---|---|---|---|---|
| Theoretical | Achievable | Peak (W/kg) |
Sustained (W/kg) |
||||||
| Lead-Acid | H2SO4 | -20 – 60 | 2.1-2.2 | 171 | 30-40 | 70-90 | 120 | 25 | 200-2000 |
| Nickel-Iron | KOH | 20 – 30 | 1.2 | 267 | 60 | 65 | 2000 | ||
| Zinc-Iron | KOH | 50 – 60 | 1.65 | 1084 | 90 | 45 | 600 | ||
| Sodium-Sulfur | β-Al2O3 | 300 – 400 | 1.76-2.08 | 664 | 120 | 70 | 240 | 120 | 2000 |
| Lithium-Iron Sulfide | LiCl-KCl | 400 – 450 | 1.6 | 869 | 150 | 75 | 1000 | ||
| Nickel-Cadmium | KOH | -40 – 60 | 1.2 | 40 – 60 | 70-90 | 300 | 140 | 500 – 2000 | |
| Nickel-Metal Hydride | KOH | 10 – 50 | 1.2 | 60 – 80 | 50 | 440 | 220 | < 3000 | |
| Nickel-Zinc | 60 | ||||||||
| Lithium Ion | LiPF6 | -20 – 60 | 3.6 | 100 – 200 | 70 | 720 | 360 | 500 – 2000 | |
| Lithium-sulphide | AIN | 430 – 500 | 130 | 75 | 200 | 140 | 200 | ||
| Zinc-chlorine | ZnCl2 | 120 | 65 | 100 | |||||
| Lithium ion polymer | Li-β-Alu | -20 – 60 | 3.7 | 130-200 | 70 | >1200 | |||
Today’s smartphones having 5000 mAh battery can last up to two days while performing basic tasks, but if you will run music and videos then the battery life will be reduced according to the use and consumption of the device.
The normal battery for your car lasts approximately three to four years. It depends upon the consumption and the way of usage.
Follow the below-mentioned formula to calculate the battery life based on watts:
Battery Life in Watts=(10 x battery capacity in amp hours) / (appliance load in watts)
If you don’t want to perform the calculation, then you can utilize the battery amp hours calculator to know how long will a battery last.
From the source of modeladvisor.com: Calculate Battery Life
From the source of Wikipedia: Electric Battery
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