Best Battery Charger for AA and AAA Rechargeable Batteries in Cold Weather

ByPhotographer

Nothing kills a winter expedition faster than a dead headlamp or camera flash because your AA batteries couldn’t hold a charge in the sub-zero chill. Cold weather drastically increases internal resistance, making standard chargers struggle to accurately detect when a cell is truly full or simply struggling with the temperature. After testing 18 different chargers…

Best Battery Charger for AA and AAA Rechargeable Batteries

ByPhotographer

Nothing ruins a shoot or a gaming session faster than a set of “charged” batteries that die within twenty minutes because a cheap charger cooked their internal chemistry. Over the last three months, I have put twelve of the most popular models through rigorous testing, measuring thermal output with infrared thermometers and verifying capacity recovery…