Battery Protection
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Quad Store TP 4056 Micro USB 5V 1A 18650 Lithium Battery Charger PCB Board With Protection Module
QUICK OVERVIEW Dimension: 25 x 19 x 10 (LxWxH)mm. Input interface: micro USB. Current Protection: Yes Charging mode: Linear charging. Current: 1A adjustable. Charge precision: 1.5%. Input voltage: 4.5V-5.5V. Full charge voltage: 4.2V.