Battery capacity

Calculate Battery capacity instantly with the exact formula and a worked example. Free online calculator — no signup.

Load, W

Autonomy, min

Battery V

η UPS

Battery capacity

23.1481Ah

C = P·T / (V·η)Calculate Battery capacity instantly with the exact formula and a worked example. Free online calculator — no signup.

23,1 A·h

A physics calculator based on a standard formula. Enter the parameters to compute the result instantly — for coursework, labs, and engineering tasks.

The calculator computes Battery capacity (Ah) from parameters:

Example 1

Load, W = 500, Autonomy, min = 30, Battery V = 12, η UPS = 0.9

→ Battery capacity: 23.15 Ah

Example 2 (×1.5)

Load, W = 750, Autonomy, min = 45, Battery V = 18, η UPS = 1.35

→ Battery capacity: 23.15 Ah

More about: Battery capacity

The “Battery capacity” calculator computes Battery capacity in Ah from 4 parameters: load, w, autonomy, min, battery v, η ups.

A standard physics formula used in educational and engineering tasks.

With parameters Load, W = 500, Autonomy, min = 30, Battery V = 12, η UPS = 0.9 the result is 23.15 Ah (C = P·T / (V·η)).