Features 1、Adopt complete linear charger in SOP8 package, suitable for single‑cell Li‑ion battery 2、Possess constant current/pressure operation, safe and stable, you can use with confidence 3、Come with thermal regulation function, the speed can be maximized without the risk of overheating 4、Preset 4.2V charging voltage with an accuracy of ±1%, very reliable 5、Support automatic recharge, very practical and convenient, possess stable structure Specification Item Type: Charger Module Power Supply: DC 5V / ≥ 1A Protect the battery from reverse connection Charging Current: 1A Automatic recharge Two status indicators for charging status, no battery and battery failure indicator C/10 Charge termination Power Supply Current in the Off State: 55μA Le Current Charging Threshold: 2.9V Soft start limits inrush current LED Indicator: "CR" LED - Charging status indicator Working Environment Temperature: -40℃ to +85℃ Package List 2 x Charger Module