Battery Runs Out Fast? Troubleshooter

Shorter run time has a reason. Find it.

Compare on the same tool and the same kind of work. Work through one question at a time. You can go back or start over whenever you like.

Safety: this troubleshooter is general information. Follow your battery and tool maker's instructions. Don't open a pack or a mains-powered charger, bypass a protection board or force-charge a rejected pack.

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Why cordless tool batteries run out sooner as they age: cycles, heat, storage and cell imbalance, how to track your own packs, myths, and a seasonal care calendar.

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