Lithicore 21700 3700mAh Battery

Nominal Capacity: 3700 mAhNominal Voltage: 3.7VDischarge Current: Continuous 25A, Max pulse 40APositive: FlatRechargeable: YesSize: Diameter 21.20(±0.2）mm X 70.20（±0.2mm)   BATTERY SAFETY TIPS & WAIVER E-Cig 101 does not guarantee that external lithium-ion batteries are safe to use, including in vaporizers or vaping devices. Please be aware of the risks associated with using and/or possessing external batteries.Below you will find some tips to help prevent injuries or accidents, but please do your own research before purchasing any external batteries to decide if using them is appropriate for you.   Always inspect batteries before each use. Do not use if the wrapper is torn or damaged, or if there is any discoloration, dents, deformation. Do not use batteries if dropped or impacted. Do not disassemble, puncture, cut, short circuit, incinerate or expose batteries to water or fire. Never allow batteries to come in contact with metal objects, including but not limited to keys, magne