Autonomia Bateria

t = capacidade/consumo.
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

Horas
25,0

Formula

Ah/h

About this calculator

The battery autonomy calculator is a useful tool to calculate how long a battery can last on a specific charge. This is especially important in situations where energy is limited, such as in electric vehicles or in backup applications. With this calculator, you can determine the battery autonomy based on its capacity and energy consumption.

The formula used is simple: t = capacity / consumption. The battery capacity is measured in ampere-hours (Ah), and the consumption is measured in watts (W). By entering these values, the calculator will provide the time the battery can last on a specific charge. This is especially useful for planning battery maintenance and avoiding emergency situations.

Remember that battery autonomy can vary depending on several factors, including temperature, charge state, and battery age. Therefore, it is essential to consider these factors when calculating battery autonomy. Additionally, it is crucial to care for batteries to ensure their longevity and efficiency.

Here are some common precautions to keep in mind when using batteries: do not overcharge the battery, keep the temperature within the recommended range, avoid exposure to extreme loads and perform regular battery maintenance.

Frequently asked questions

What is the battery capacity?

The battery capacity is the amount of energy that the battery can store, measured in ampere-hours (Ah).

What is energy consumption?

Energy consumption is the amount of energy that the battery uses over a certain period of time, measured in watts (W).

Why is it important to care for batteries?

It's essential to care for batteries to ensure their longevity and efficiency. This includes avoiding overcharging the battery, keeping the temperature within the recommended range, and performing regular battery maintenance.

What is battery autonomy?

Battery autonomy is the time that the battery can last on a specific charge, calculated based on its capacity and energy consumption.

Can I calculate battery autonomy in different situations?

Yes, you can calculate battery autonomy in different situations, including different temperatures, loads and charge states.

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