Specification:
Brand: XTAR
Model:18650
Type:Lithium Ion
Capacity:3100mAh
Base cell: Panasonic cell inside
Charge voltage: 4.2V +\/-0.05
Discharge voltage: 2.5V
Size: 18.4!#!amp!*!plusmn;0.1mm x 68.5!#!amp!*!plusmn;0.5
Weight:46g net weight

Features:
Protection Built in Li-ion Rechargeable 3.7v battery
3100mAh ultra large capacity
Genuine Panasonic cell from Japan
Specially designed for high-performance flashlights and electronic cigarette
Built-in over-charge and over-discharge protection circuit， maintain a long lifespan
Short-circuit protection， ensure safey
Environmentally friendly

Package included:
1 x XTAR 18650 3100mah battery