2S 8.4V 20A Lithium Battery BMS Protection Board with Balance – AITRIP

This AITRIP 2S 20A BMS (Battery Management System) board provides reliable protection for building or repairing lithium-ion battery packs. Designed for 2-cell (2S) packs with a nominal voltage of 7.4V and fully charged at 8.4V, it includes balanced charging for safer, longer-lasting performance.

✅ Features:

• Continuous charge current: up to 10A

• Maximum discharge current: 20A

• Balanced charging function included

• Protects against overcharge, over-discharge, overcurrent, and short circuits

• Compact and lightweight design

✅ Compatibility:

• Suitable for lithium-ion cells such as 18650, 26650, and polymer lithium batteries

• Supports resistive loads up to 168W

• Recommended for applications under 25A starting current (e.g., small power tools, drills, LED packs, DIY projects)

✅ Specifications:

• Input Voltage: 8.4V–9.0V DC

• Output Voltage: 8.4V DC

• Dimensions: 0.13" × 0.79" × 0.13" (approx.)

• Weight: ~1.1 oz

• Manufacturer: AITRIP

Note: This listing is for the BMS board only. Batteries not included.