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DC-DC Converter Boost Diy Battery charging Mobile Power Circuit Module

This DIY power bank module is designed for 18650 lithium batteries, allowing you to build a custom power bank. It supports dual USB output for charging multiple devices and features built-in safety protections along with LED indicators for power status.

Package Includes

  • 1 x Dual Micro USB 3.7V to 5V 2A Boost Mobile Power Bank DIY 18650 Lithium Battery Charger

Boost Converter
14.70 AED 14.70 AED (Tax included)

Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days

 

Features

  • LED Indicators: Show battery and charging status, with automatic shutdown when idle.
  • Dual USB Output: Charge two devices simultaneously with 5V1A and 5V2A outputs.
  • Built-in Protection IC: Protects against over-current, over-voltage, and under-voltage.
  • Versatile Compatibility: Works with various rechargeable lithium batteries.

Specifications

  • Input Port: Micro USB
  • Input Requirements: 5V constant voltage (recommended: 5V/1A or higher)
  • Output Port: Dual USB
  • Output Parameters: 5V/1A and 5V/2A
  • Size: 8mm x 32mm x 69mm (H x W x L)

Battery Compatibility

  • Compatible:
    • 18650 lithium battery
    • Cell phone battery
    • Flat lithium battery
    • MP3 battery
    • 3.7V–4.2V polymer lithium battery (single or parallel only)
    • Supports 2–6 parallel 18650 cells
  • Not Compatible:
    • Dry batteries
    • 1.2V rechargeable batteries
    • Nickel-metal hydride (NiMH) batteries
    • 3.2V lithium iron phosphate (LiFePO4) batteries

Installation Notes

  • Parallel Only: Batteries must be connected in parallel, not series.
  • Voltage Range: 3.2V – 4.2V
  • Correct Polarity: Connect battery + to B+ and – to B–. Incorrect wiring may damage the board.
  • Battery Matching: Use batteries of the same model, brand, and age. Do not mix old and new cells.

 

Dual USB Power Bank Charger Module