Description
The 18650 2A Li-ion/LiPo Charger & Discharging Module is a compact and reliable power management solution designed for single-cell 18650 lithium-ion or LiPo batteries. It supports both battery charging and load discharging while providing essential protection features to ensure safe operation. With a standard 5V Micro-USB input, LED status indicators, and a small footprint, this module is ideal for portable electronics, DIY battery projects, and power bank applications.
Key Features
- Charge & Discharge Support: Enables simultaneous battery charging and load powering
- 2A Charging Capability: Fast and efficient charging for single 18650 cells
- Built-in Protection Circuitry:
- Overcharge protection
- Over-discharge protection
- Short-circuit protection
- LED Status Indicators:
- Red: Charging
- Green: Fully charged
- Blue: Discharging / output active
- Micro-USB Input: Easy charging using common USB power sources
- Compact Design: Simple integration into battery-powered projects
Specification
- Input Voltage: 5V DC (Micro-USB)
- Charging Current: Up to 2A
- Discharge Current: Up to 2A
- Battery Type: Single-cell 18650 Li-ion / LiPo (3.7V nominal)
- Protection Functions: Overcharge, over-discharge, short circuit
- Operating Temperature: -20°C to +60°C
- Dimensions: 36 × 18 × 8 mm
- Weight: Approx. 7 g
⚠ Note: Designed for single-cell (1S) lithium batteries only. Do not connect batteries in series.
Application
- Portable electronic devices
- DIY battery packs
- Power bank projects
- RC vehicles and small robotics
- Solar-powered battery systems
- Embedded and IoT projects
Why Choose This Module?
This module offers a simple, cost-effective, and safe way to manage 18650 lithium batteries. Its high charging current, built-in protections, and compact size make it perfect for both beginners and advanced DIY electronics projects.

