3S 10A 12.6V Cell 18650 Li-ion Lithium Battery Charging BMS PCB Board with Protection Charger Module

3S 10A 12.6V 18650 Li-ion Lithium Battery BMS PCB Board is designed for safe charging and reliable protection of lithium battery packs. It supports 3.6V / 3.7V lithium batteries, including 18650, 26650, and lithium polymer cells, making it an excellent choice for DIY battery packs, solar systems, e-bikes, and portable electronics.

Key Features

• Compatible with 3.6V / 3.7V lithium batteries (18650, 26650, lithium polymer)
• Product Size: 64mm x 20mm x 3.4mm
• Durable metal construction for long-lasting use
• Maximum Output Current: 10A
• Maximum Output Power: 126W
• Provides overcharge, over-discharge, and short-circuit protection

Important Notes

• Follow wiring diagram strictly (0V / 4.2V / 8.4V / 12.6V) to avoid chip damage
• Requires first charge activation for proper output
• Do not mix old and new batteries – ensure battery capacities and resistance are close
• Recommended for users with basic knowledge of battery protection circuits

Specifications

• Model: HX-3S-01
• Charging Voltage: 12.6V – 13V
• Overvoltage Protection: 4.25V – 4.35V ± 0.05V
• Undervoltage Protection: 2.3V – 3.0V ± 0.05V
• Operating Current: 5A – 6A
• Instantaneous Current Limit: 8A
• Quiescent Current: < 30uA
• Internal Resistance: < 45mΩ
• Service Life: 50,000+ hours
• Operating Temperature: -40°C to +50°C
• Storage Temperature: -40°C to +80°C
• Size: 50 x 16 x 1 mm
• Short Circuit Protection: Self-healing with delay

This 3S 10A BMS for 18650 li-ion lithium battery ensures safety, stability, and extended lifespan for your battery packs, making it ideal for both beginners and professionals.