Type-C USB C Li-ion Battery Charging Board;Charging Mode: Constant current/constant voltage with overheating protection Dual output of charging status, no battery and fault status display Compatible with various lithium batteries: Compatible with single-cell 3.7V lithium batteries (e.g. 18650, polymer batteries, etc.) with a cut-off voltage of 4.2V. Suitable for all types of 3.7V lithium batteries to reliably power your devices. Highly efficient charging protection: The 4057 chip supports constant current/constant voltage charging, a maximum charging current of 1 A and overtemperature protection for safe and efficient charging. Charging Status Indication: Dual-output for charging, no-battery and fault status display
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