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This is a mobile power module accessory, 18650 board enclosure.
Meet your DIY's individual needs, but you must understand the basic electronics assembly.
The motherboard's own protection features: charging overcharge protection, over discharge protection, over current protection.
After the smart output device is fully charged, it automatically stops charging to prevent the phone from overcharging.
The output voltage and current are stable and will not harm the user equipment.
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 point x 28mm
Screen size: 27mm x 17mm
The circuit board is connected to the battery negative B-, B + is positive, no connection is reversed, the connection twist will burn the board, the battery is connected in parallel to solder, and the battery is assembled. Please note that the insulation between the battery and the circuit board, the battery leads should not touch the circuit board to avoid short circuit.
1 x mobile power 18650 battery charger circuit board