2 ms·
Internally 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
by walrus01 4y ago
Internally 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