popular Posted by phoinix | Staff • 6d ago
Jul 12, 2025 7:35 AM
Item 1 of 2
Item 1 of 2
popular Posted by phoinix | Staff • 6d ago
Jul 12, 2025 7:35 AM
$13.98*: Energizer AA and AAA Battery Charger w/ 4 AA NiMH Rechargeable Batteries at Amazon
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NI-MH AA and AAA batteries are better than lithium in most cases. Lithium batteries are 3.7V due to their inherent technology, but AA and AAA devices require 1.2V-1.5V. To get around this, lithium AA's have step-down circuitry in them to get to 1.5V, and that circuitry essentially drains the batteries even while they're not in use. On top of that, that circuitry generates quite a bit of EMI interference, so it causes problems in sensitive electronics, like medical devices. They're better in devices with heavy use that aren't sensitive. In every other case, Ni-MH is better.
That said, these Energizer batteries are most likely terrible Chinese batteries. Eneloop and IKEA Ladda batteries are the way to go.
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