Description

• Key Features:

  ✔ Dual USB Outputs – 5V 2.1A (max) for fast charging + 5V 1A for smaller devices.
  ✔ Integrated Protection –

  • Overcharge, over-discharge, and short-circuit protection.

  • Auto-cutoff when battery voltage is too low (<3V).
    ✔ Boost Converter – Efficiently steps up 3.7V (Li-ion/LiPo) to 5V.
    ✔ LED Power Indicators – Shows charging status and battery level.
    ✔ Micro USB Input – 5V/2A charging for the internal battery.
    ✔ Compact Design – Fits in DIY enclosures or existing power bank cases.

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  Applications:

  • DIY Power Banks – Turn 18650/26650 batteries into portable chargers.

  • Emergency Phone Charger – Backup power for outdoor trips.

  • Solar Chargers – Store solar energy in Li-ion batteries.

  • IoT Devices – Portable power for Raspberry Pi Zero/Arduino.

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  Wiring Guide:

  1. Battery Input (B+/B-) → Connect to 3.7V Li-ion/LiPo cell(s).

  2. Micro USB Input → Plug in 5V/2A charger to recharge the battery.

  3. USB Outputs → Charge phones, tablets, or gadgets.

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  Technical Specifications:

  • Input (Battery): 3V–4.2V (single-cell Li-ion/LiPo).

  • Output (USB): 5V ±0.2V, 2.1A max total (shared across ports).

  • Charging Current: 1A (standard) / 2A (fast charge, if supported).

  • Efficiency: Up to 92% (DC-DC boost).

  • Dimensions: ~50mm × 25mm.

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  Package Includes:

  • 1x 5V 2A Power Bank Charger Module.

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  Why Choose This Module?

  ✅ Plug-and-Play – No coding or complex wiring.
  ✅ Safe & Reliable – Built-in protections prevent battery damage.
  ✅ Cost-Effective – Cheaper than buying a pre-made power bank.