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Lithium Battery Digital Display Dual USB Circuit Board

$5.00 USD
Unit price  per 

Feature:


This is a mobile power module accessory, 18650 circuit board housing.
To meet your DIY individual needs, but you must understand the basic electronic assembly.
The protection functions of the motherboard: charging overcharge protection, overdischarge protection, overcurrent protection.
When the smart output device is fully charged, it will automatically stop charging to prevent the phone from overcharging.
The stable output voltage and current will not harm the user equipment.

Product Specifications:

Micro USB input: 5V 1A
USB output: 5V 2.1A / 5V 1A (dual USB interface)
Charging display: intelligent digital display
Battery type: liquid lithium ion battery (18650)
Product size: 57mm dotˉx28mm
Screen size: 27 mm x 17 mm


Installation Notes:


The circuit board is connected to the battery negative B-, B+ is positive, and the connection is reversed, the connection is twisted to burn the board, the battery is connected in parallel, and the battery is assembled. Please pay attention to the insulation between the battery and the circuit board, and the battery lead should not touch the circuit board, so as not to cause a short circuit.


Packing list:

Circuit board *1

Product Image:


Our Guarantee

Protection and guarantee of products

Fast Shipping

Handling time 1-4 business days. Estimated delivery between 20-25 business days.