This HeltecBMS 6S 80A Lithium Battery Protection Board is designed to deliver safe, stable, and efficient power management for 6-series lithium battery packs used in electric bikes, tools, inverters, and high-current applications. This product provides robust overcharge, over-discharge, and overcurrent protection while ensuring balanced charging across all cells to maximize battery lifespan and performance.

Key Features

• Advanced lithium battery management for 6S (6-series) configurations
• Same-port design for simplified system wiring
• Supports up to 80A continuous discharge current and 240A peak current
• Integrated cell balancing with 80 mA balance current for improved charge efficiency
• Multiple protection functions including overcharge, over-discharge, short-circuit, and overcurrent
• Low self-consumption (≤35 µA) for enhanced standby efficiency
• Suitable for electric bicycles, power tools, inverters, and other 24V–rated applications

Technical Specifications

• Battery Type: 6-Series Lithium Battery Packs (3.7V nominal per cell)
• Maximum Continuous Current: 80A
• Peak Current: 240A
• Overcharge Protection: 4.25V ±0.25V
• Charging Recovery: 4.2V ±0.25V
• Over-Discharge Protection: 2.8V ±0.25V
• Discharge Recovery: 3.0V ±0.25V
• Balance Current: 80 mA
• Balanced Starting Voltage: 4.22V ±0.25V
• Self-Consumption: ≤35 µA
• Dimensions: 72 × 55 × 8 mm
• Port Type: Same-port charge/discharge