How Do You Calculate The Battery Drain?

- Jun 04, 2020-

In order to calculate the battery drain we need to understand some basic terms which help us ahead. These terms include “Capacity of the battery”, “Available Age of the Battery”, “Consumer/load standards” and few more.

If we define them we can say,

These are those key role playing aspects that not only help to generate results but also increase our knowledge in this field of aspect. By using the formula in which the product of Battery Capacity (A) is multiplied by the number of “k”. But to calculate the drain percent of the battery with the help of battery drain calculator, some necessities should be followed, these are,

  • Specify the complete capacity of the battery you are using

  • Choose the respective or available age of the battery

  • Check the standards of consumers you have available. All those accessories where current from the battery is transferred.

  • In the end, click the calculate button and you will have the permissible battery drain

Whereas online battery drain calculators also help to calculate the drain due to current depending on the self-discharge of the battery and the number of loads that consume power from the battery even at solid-state. You can discover unique properties by using such devices which will help you to treat your accessories in a more proper and significant way.

PLB Lead Acid Replacement Battery: 12.8V 20.4Ah Lithium Iron Phosphate Battery

12V lead acid replacement




Cell Model:IFR26650-34A

Size (L*W*H) :181*77*168mm


Whenever you notice that your battery is having some working issues as it gets off quickly, you need to understand the situation that there is some local body hindrances or battery’s poor health that is causing the battery to drain quickly. Battery drain happens rarely, but when it happens it leaves us in a very uncontrollable situation with no use of the device we are using. It can result in serious consequences especially for the workers that need to be in contact with each other with the office.

This situation of battery drain hits fasts without any warning. For this purpose, a battery drain calculator is used, which is a device used to calculate the battery drain rate so that measures can be taken to prevent it. Also in automobiles the excessive drain current can results in battery discharge as well. For this situation the causes and checks of the drain are recorded separately. A battery drain calculator also helps in these types of situations.


A battery drain calculator is a device that helps us to identify why the battery is draining and at what rate it is draining. It is very easy to use tool with an advantage of time-consuming but a person should be able to read and find the requirements necessary to calculate the battery drain rate. If we consider the formula to calculate the battery drain rate, then there is simple mathematics which generates our result but Battery Drain Calculators also work on these formulas which are installed or programmed in the chips inside the Calculators. How long a battery drain, that is simply can’t be estimated exactly but it can be predicted by focusing on the causes and effects of your work on your battery. The Battery Drain Calculator also require some basic values to reduce the error from the value.