NITECORE UI2 Dual-Slot USB Charger, for 18650, 21700, 18350, 20700 Batteries

Package Contents 1 x NITECORE UI2 INTELLIGENT USB BATTERY CHARGER 1 x US Plug Power Cord 1 x Instructional Manual Product Specifications Portable USB Battery Charger Compatible for 3.7V rechargeable Li-ion batteries Available for low current charging below 2.9V USB Input Automatic adoption for the optimal charging modes between CC and CV Automatic termination upon charging completion Reverse polarity protection and anti-short circuit protection Thermal protection during the charging process Activates over-discharged batteries with protection circuits Compatible with power banks, 5V solar panels, and USB adaptor Made from durable and fire retardant PC materials Optimal heat dissipation design  Included Accessory: USB Charging Cable WARNING: Never use your battery chargers for batteries other than the ones described and detailed on the package in which it came. Making attempts to charge batteries other than what the charger calls for is seriously threatening and may even cause bodily