Battery Charger Module - SODIAL(R)TP4056 1A Lithium Ion Battery Module Charger Board Onboard TP4056 lithium battery management IC Onboard MINI USB you can link USB port directly charging The charger board or of (IN + and IN) pin power supply Reserved TEMP pin interface can, is used as a lithium ion battery temperature detection Input voltage: 4V 8V, maximum output charge current: 1000 mA