Nitecore UI1 Rechargeable USB Battery Charger For 18650 16340 10440 IMR Li-ion

 Nitecore UI1 Rechargeable 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. FREE SHIPPING