18650 battery

3.7v 3400mah 18650 Lithium Ion (Li-Ion) cylindrical battery (NCR18650B). Li-Ion batteries are much lighter than NiMh batteries. Carrying a higher voltage and offering better discharge curve.

Panasonic are regarded as the most reliable 18650 battery brand. Used by most major laptop manufacturers for their battery packs. This battery is suitable for general portable electronic applications.