Walfront 5Pcs 18650 Charging Board 3USB Mobile Power Bank Module 5V 2.1A Power Bank Charger Module DIY Mobile Circuit Board Electronic Component

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Now: $42.00
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SKU:
ZY828353
Condition:
New
Availability:
Free Shipping from the USA. Estimated 2-4 days delivery.
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Specification:
Item Type: Power Bank Charger Module
Material: Synthetic cardboard
Power Supply Voltage: 5V 2.1A
Power: 2.1A
Number of Pins: 2

Package List:
5 x Power Bank Charger Module

Note:
1. Connect the positive pole of the lithium battery to B+, and connect the negative pole of the lithium battery to B?
2. Note that the B+ and B? of the boosted battery must not be connected reversely, they will burn3. The Micro USB port needs to be activated once for the first use