1.26650 flashlight 2.CE,ROHS,UL Approval 3.Use for bluetooth, ... PCM Item: 3.7v 4000mAh cells best for 26650 flashlight ModelLi-ion batteryStandard Voltage3.7VMax Charging Voltage(V)4.2Vlity ... digital camera Electric bike GPS, notebook, e-bookMinimum Order Quantity500pcs/model Charging 1) Charging Current: Charging current should be less ... in specification. 3.7v 4000mAh cells best for 26650 flashlight