3 ms·
There are many companies making rechargeable lithium batteries in AA and AAA form factors. I have a few dozen I use for my door lock and Xbox controllers.
by Osiris 3y ago
There are many companies making rechargeable lithium batteries in AA and AAA form factors. I have a few dozen I use for my door lock and Xbox controllers.
- walrus01 3y agoInternally these are a pretty normal small li ion or lipo battery (3.70 to 4.2VDC range) and a DC-DC converter to output 1.5V