Battery Management System 2S lithium battery protection board with 10A continuous current and 20A peak current, designed to safeguard 7.4V/8.4V LiPo and Liion batteries during charging and discharging cycles while preserving performance. Comprehensive Protection Multilayer safety features including overcharge protection at 4.25V ± 0.05V, overdischarge protection at 3.6V ± 0.1V, and short circuit protection to help keep your battery pack secure under different operating conditions. Balancing Technology Intelligent cell equalization system that actively balances both charging and discharging processes, guaranteeing consistent voltage distribution between cells for extended battery lifespan and maintained capacity. Technical Specifications Operating range: 40°C to +50°C Quiescent current: < 10 μA Internal resistance: < 300 mΩ Service life: exceeding 50,000 hours Key benefits and applications Why you need it: provides essential protection for 2S packs, reducing the risk of damage during charging and discharging, while maintaining reliable performance. How it solves problems: prevents overcharge, overdischarge, and short circuits; automatically balances cells to prevent capacity loss and voltage imbalance. What makes it stand out: clear overcharge and overdischarge thresholds, a robust 10A/20A current profile, and a long service life with a wide operating temperature range. Compatibility and performance notes Compatible with 2S LiPo and Liion batteries operating at 7.4V/8.4V. Suitable for use in applications requiring protection during both charging and discharging cycles, with emphasis on safety and longevity. Use scenarios RC hobby: protecting 2S packs used in drones, RC cars, boats, or fixedwing aircraft during charging and load operation. Portable electronics: safeguarding 2S battery configurations in handheld devices or compact power packs that require reliable overtime protection. Offgrid or backup power: integrating 2S packs in small solar storage or emergency backup systems where low standby current and long service life are beneficial.