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5V Power Bank circuit board

4.17€
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Product Features:
1.4-level LED lamp display power, not working state intelligent automatic shutdown;
2. Built-in lithium battery protection IC, over-current, overpressure, undervoltage protection;
3. Dual USB output;
4, motherboard size: Thick 8mm* width 32mm* long 69mm.
Product Basic Parameters:
Input port: MicroUSB (Andro)
Input requirements: 5V constant voltage power supply can do charge input power, the most matching charger for 5v1a above
Output port: USB
Output parameters: 5V1A/5V2A
Requirements for rechargeable batteries:
Available Batteries: 18650 batteries, cell phone batteries, flat-panel batteries, MP3 batteries, etc. 3.7v-4.2V polymer Lithium battery, can be a single section (piece) power supply, can also be multiple sections (tablets) parallel power supply (not supported in series, not in series). (Note: Parallel increase in capacity, series is to increase the voltage, only in parallel!) ）
Can parallel 2-6 knots 18650 batteries!!!
Non-battery: dry battery, battery, 1.2V rechargeable battery, NiMH battery, 3.2V Lithium Lithium Polymer battery.
  • Availability: 9

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