Quick DetailsPlace of Origin: Guangdong,Website: , China (Mainland) Brand Name: TrustFire Model Number: 18650 Type: Li-Ion Nominal Voltage: 8.4V Size: Other Nominal Capacity: 6000mah color:: blue Logo:: Your logo are welcome warranty:: 1 year Holster: Black Packaging & DeliveryPackaging Details: inner box and carton TrustFire 4.2V Waterproof 4.2V 18650 Li ion Battery Pack We are original factory ,we provide many kinds of battery pack ,also we can according your requirement to make it.Withprotection: YesVoltage: 4.2V.Capacity: 6000mAh/7200mAh/9000mAh etc.Usege: For Bicycle lightswelcome to buy one to testAny needs ,pls contact me without no hesitateSpecificationsModel Number18650 lithium rechargeable battery packOne battery Voltage8.4vOne 18650 battery Capacity3000mAh/2400mAh/2200mAh/2000mAhOne battery Size18.74mm(dia.)*66.76mm(height)One battery Voltage controlmax4.23v  minimum2.5vFeatureHigh rate discharge,no \"memory effect\", short circuit, over charge and discharge protection;PCB life is around 10 years; it is environmental.One battery Net weight56gCautionDo not throw into fire or incinerate.Do not puncture,damage,disassemble it.Do not knock the battry.Delivery:Delivery ways:By air,By sea,By express……Delivery time:5~10 days after receiving the paymentPackage:Neutral packing,can be customized.