SMK 51.2V 100Ah 5kWh LiFePO4 Lithium Battery is a high-performance energy storage solution designed for 48V solar and inverter systems. Its wall-mounted design provides a clean, compact and professional installation for modern homes, offices and businesses. SMK specifically recommends this battery for its 5kW, 6.2kW and 11kW hybrid inverter systems.

Built with Grade-A LiFePO4 (Lithium Iron Phosphate) cells, the SMK 5kWh lithium battery provides excellent thermal stability, safety and long-term reliability. It is designed to deliver 4,000+ cycles at 80% Depth of Discharge (DoD) and can provide more than 10 years of service under normal operating conditions.

The battery features an integrated Smart Battery Management System (BMS) that helps protect against overcharging, overheating and short circuits while managing battery performance. Its communication system supports RS485 and CAN, allowing it to communicate with compatible SMK hybrid inverters for optimized charging and monitoring.

A built-in LCD display provides important battery information, including voltage, remaining capacity and battery health. The battery also supports Bluetooth connectivity, allowing users to monitor battery status from a smartphone.

The SMK 51.2V 100Ah lithium battery can provide approximately 10–12 hours of backup for essential home or office loads, depending on total power consumption. Typical loads include lighting, televisions, refrigerators, routers, office equipment and fans, with selected inverter air conditioners also supported for several hours depending on the system configuration.

With its 5-year manufacturer warranty, compact wall-mounted design and intelligent monitoring features, the SMK 5kWh 51.2V LiFePO4 Lithium Battery is a strong choice for customers looking for reliable energy storage for a 48V solar power system.

Key Features

• Brand: SMK
• Battery type: LiFePO4
• Nominal voltage: 51.2V
• Capacity: 100Ah
• Energy capacity: 5kWh
• Designed for 48V solar systems
• Wall-mounted design
• Grade-A LiFePO4 cells
• 4,000+ cycles at 80% DoD
• 10+ year expected service life under normal conditions
• Integrated Smart BMS
• RS485/CAN communication
• Bluetooth monitoring
• Built-in LCD display
• Overcharge protection
• Overheating protection
• Short-circuit protection
• 5-year manufacturer warranty

Compatible SMK Inverters

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SMK says this 51.2V battery is designed for:

• SMK 5kW Hybrid Inverter
• SMK 6.2kW Hybrid Inverter
• SMK 11kW Hybrid Inverter