Features : - On board TP4056 integrated circuit - For Li-ion and Li-po lithium batteries - Linear charge method - Output voltage via 2 solder contacts - Charge current up to 1A - Automatically regulated charging current - Accuracy tolerance 1.5% (high accuracy) - Voltage at the end of the charge 4.2V - Charging indicator led - Full charge indicator LED - Not protected for polarity inversions RPROG (see photo and table below) Connections: 4.5V up to 5.
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