USB and micro USB Charge Discharge Board


QuantityDiscountDiscounted Price
5 - 9 5% £1.43
10 + 10% £1.35

USB and micro USB Charge Discharge Board £1.50
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If ordered before 3 p.m.



Lithium Polymer charging board with USB and micro USB

Charger Model: 134N3P


Usable batteries: 18650 batteries, mobile phone batteries, tablet batteries, MP3 batteries and other 3.1V-4.2V polymer lithium batteries,
(note: parallel connection increases capacity, series connection increases voltage, and can only be used in parallel!)
Not suitable to use with: dry batteries, accumulators, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V iron-lithium polymer lithium batteries, etc.

Small size supports charging and discharging Overcharge and over discharge protection
Input port: Micro USB
Input requirements: 5V constant voltage power supply can be used as charging input power
Output port: USB
Output parameters: 5V1A


1. The batteries must be connected in parallel, and the voltage must be between 3.2-4.2V to work.
Suitable for 18650 flat-head and polymer batteries;

2. The battery connected to the motherboard positive to B+ ,negative to B-, if not connected correctly, the resistance will be burned out;

3. It is not recommended to mix old and new batteries, batteries with high internal resistance, and batteries with large capacity gaps.

The estimated delivery time:

  • Standard (Free for orders over 25£ or 1.90£ Service) – Estimated 1-2 working days
  • Tracked 24H – Estimated 1-2 working days with tracking
  • Next Day Special Guarantee- Next Working Day before 1 p.m. (if ordered before 3 p.m.)

Items are normally dispatched within 24 hours (the same day if ordered before 3 p.m., excluding weekends) in 99.9% of cases.

When you place an order, and it is successful, you will receive an email confirmation for the received order. When the order is dispatched, you will receive an email confirming that your order is complete. Please note that if the order is placed with the standard service, tracking will only show when a delivery attempt is made or when the order is delivered.