LED indicator Showing you the charging status, it will turn green when corresponding batteries are fully recharged, making the charging status visible and stopping once completing charge intelligently. Specifications: Type: 2 Slot Smart Charger Only for 3.7v 18650 battery Input: AC 100V - 240V 50 / 60Hz Max150mA Output :4.2V/500mAh Compatible Batteries: Only for 18650-lITHIUM-ION-BATTERIES Weight: 1.97oz Dimensions: 3.34 x 1.77 x 1.96 inches NOTE: This item is non-waterproof, please use it carefully. Safety and Intelligent Charger 2 Bay Overcharge protection Overcurrent protection Over temperature protection Short circuit protection Over discharge protection Wide range of applications such as charging flashlights, headlights, toys, calculator, remote controls, 2-way radios, alarm clocks and other devices that required batteries or battery charger. 1￵8￵￵￵6￵￵￵5￵￵0 Ba￵￵tt￵er￵￵y Fl￵a￵t Top 1￵8￵￵￵6￵￵￵5￵￵0 Ba￵￵tt￵er￵￵y B￵u￵￵tt￵￵￵on To￵p 1￵8￵￵￵6￵￵￵5￵￵0 Battery with Charger 1￵8￵￵￵6￵￵￵5￵￵0 Flashlight with Charger Set Unisex Beanie Hat with Light Battery Type Fl￵￵a￵t To￵p B￵u￵￵tt￵￵￵on To￵p B￵u￵￵tt￵￵￵on To￵p B￵u￵￵tt￵￵￵on To￵p none Battery 6pcs 4pcs 6pcs 4pcs Only Beanie Hat