Specifications 18650 ChargerMaterial PlasticColor BlackSize Approx 10x4 5x3cm 3 93x1 77x1 18Length of cable Approx 46 5cm 18 3Input AC100 240V 47 63HzOutput 4 2V0 1 450mATermination voltage 4 2V1 Plug US Plug EU Plug 18650 Battery Color BlueSize Approx 6 5x1 8cm 2 55x1 8 length x body diameter Voltage 3 7VElectric current 3000mAHFeatures With short circuit overcurrent and overvoltage reverse polarity circuit protection Two output lines output green light to the normal standby state charging the red light when the rechargeable battery voltage reaches about 4 1V red light turns green thenthe charger is not completely stop charging but a small current continues to trickle charged as of the maximum voltage of 4 21V Fast charging speed stability precise and smart to charge Package Include 1x 18650 Charger US Plug EU Plug 2x 18650 Batteries