51.2V Stackable LFP Battery Module for Residential Solar Backup Power Supply

Modular Flexible Capacity Expansion

FlexiStack series adopts modular design with dual installation solutions: wall-mounted and stackable. Single module capacity is 5.12kWh. Multiple modules can be connected in parallel freely, with total capacity ranging from 5.12kWh to 40.96kWh to meet diversified energy demands of residential and light commercial projects.

Intelligent Monitoring & Multi-protocol Communication

Equipped with optimized intelligent BMS system that supports real-time data monitoring via Bluetooth. Built with wall-mounted touch control screen and CAN/RS485 communication, widely compatible with mainstream PV energy storage inverters.

Stable & Durable Performance

51.2V low-voltage LiFePO4 system with 90% recommended DOD. Natural cooling structure requires no extra heat dissipation equipment. Service life exceeds 15 years to deliver long-term stable power supply.

Full Safety Protection & Global Certifications

The integrated BMS provides multi-protection including overvoltage, overcurrent, short-circuit, undervoltage, over-temperature protection and cell balance. Fully certified with CE, UL1973, UN38.3 and MSDS. IP20 indoor protection rating, backed by 10-year official warranty.

Wide Operating Conditions

Designed for indoor operation. Charging temperature: 0°C ~ 55°C; Discharging temperature: -20°C ~ 55°C. Suitable for altitude up to 2000 meters, easy installation and maintenance.