10440 lithium-ion batteries, like all lithium-ion cells, are known for having one of the best energy densities, little-to-no memory effect, and a slow loss of ...
Battery: Pack of 8 350mAh 10440 Lithium-ion rechargeable batteries, size: 10mm*44mm ( (Same size as AAA cell, but a higher voltage than normal AAA batteries).
This light is so handy, remarkably bright, and inexpensive to operate with the rechargeable battery. That battery is responsible for the additional power this ...