Lítium akkumulátor 3 V
Lithium battery 3V 3.7V liter 5V 1A boost board mobile power charging treasure motherboard boost charger module
Product Features:
1. Small and exquisite. Support charging and discharging at the same time
2. With overcharge and overdischarge protection;
3. Approximate board size: thickness 1mm*width 18mm*length 20mm
Basic product parameters:
Input port: MicroUSB (Android port)
Input requirements: 5V constant voltage power supply can be used as charging input power supply
Output port: USB
Output parameters: 5V1A
Usable battery: 18650 battery, mobile phone battery, tablet battery, MP3 battery, etc. 3.1V-4.2V polymer lithium battery, (note: parallel connection increases capacity, series connection increases voltage, and can only be used in parallel!)
Unusable batteries: dry batteries, accumulators, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V iron-lithium polymer lithium batteries, etc.
Pay attention to the following points when installing the product
1. The batteries must be connected in parallel, and the voltage must be between 3.2-4.2V to work. Both 18650 flat-head and polymer batteries are acceptable;
2. The battery is positively connected to the motherboard B and negatively connected to B-, if it is installed reversely, the resistor will be burned;
3. It is not recommended to mix old and new batteries, batteries with high internal resistance, and batteries with large capacity gaps.
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