Battery Runtime Calculator

Predicting Battery Run Time

When selecting new batteries, a key question is How long will my batteries last?

Some batteries are sold with a manufacturers claim similar to "run time up to ...". Other batteries only state a capacity. As battery manufacturers become more optimistic in their claims, you need better tools for a realistic idea on what to expect from your new battery. The Battery Force Run Time calculator offers the best indication, even taking into account how you personally use your batteries.

Run Time Calculator

Predicted Run Time

If you were getting 1:45 of run time from your existing 1000mAh battery when it was new, you should expect to get a run time of about 3 hours and 30 minutes from a new 2000mAh battery.