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Thought the 'freezer trick' for cordless tool batteries was total nonsense
My Milwaukee M12 died after two years, but leaving it in a freezer bag overnight actually got me one more full charge cycle. Anyone know why that works or if it's safe for the battery long term?
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harris.emma5mo ago
Two years for an M12 battery seems way too short. Milwaukee stuff is usually built to last a lot longer than that. Maybe you just got a bad cell from the start.
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mark_miller5mo ago
Wait, so my freezer is now a battery charger and not just for my questionable leftovers? Honestly, I tried the same trick on a dead Ryobi pack last year and it worked for like five minutes, just long enough to finish a cut and feel like a genius. From what I've read, the cold can sometimes temporarily help a worn-out battery hold a charge by slowing down the chemical reactions inside. It's a last-ditch thing, not a fix. Probably not great for the battery in the long run, but when it's already dead, what's the harm?
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