WX-205A Li-ion Battery Charger Module (Wu Xin)

WX-205A Li-ion Battery Charger Module by Wu Xin

The WX-205A is a compact and reliable single-cell Li-ion battery charger module by Wu Xin. Designed for easy integration into DIY electronics, this board features multiple JST-style connectors for flexible battery and load connections, making it ideal for portable devices, wearables, and custom power supply designs.

Key Features

• Model: WX-205A (Wu Xin)
• Battery Type: Single-cell Li-ion / LiPo
• Connectors: J1, J2, J3 — JST-style connectors for battery and output
• Protection: Overcharge and over-discharge protection built-in
• Onboard Components: Dual MOSFETs (Q1), dual ICs (U1, U2), status LEDs (D1, D2)
• Compact PCB: Small form factor for easy embedding in enclosures
• Battery Polarity: Clearly marked −電池+ (Battery −/+) on board

Typical Applications

• Li-ion / LiPo battery charging circuits
• Portable DIY electronics and wearables
• Custom power bank designs
• IoT and embedded systems power management