#18 Best Selling product in Alternative Power Chargers & Inverters

Solar Panel Controller 1a USB 3.7v 4.2v Lithium Battery Charge Discharge Board

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This product is MICROUSB interface! P and P-output is the battery voltage, the equivalent of the protection board function, so output not 5V. if you need 5V also need to add a step up board. Please must connected with the battery before connect the load, or may burn the chip, measuring the battery voltage After 5 minutes measured, after the battery voltage will drop, the battery worse, the more the voltage drop.
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Solar Panel Controller 1a USB 3.7v 4.2v Lithium Battery Charge Discharge Board

Brand new: lowest price

$1.48

Free Shipping