CTECHI’s 51.2V 5KWh-10KWh LiFePO4 Rack Battery is a reliable and expandable energy storage solution designed for both on&off grid-connected and off-grid solar systems. It caters to a wide range of applications, from residential to commercial, offering exceptional energy efficiency, longevity, and safety.
This modular battery system integrates seamlessly with popular inverters and smart home systems, enabling homeowners to maximize the use of their solar energy. Whether as an emergency power backup or to store daytime solar energy for nighttime use, this solution provides an economical and eco-friendly way to enhance energy independence.
This modular battery system supports up to 16 parallel connections, allowing maximum storage capacity to reach 160kWh. Its design enables easy scalability, ensuring seamless integration into growing energy needs for homes or businesses.
The built-in Battery Management System (BMS) provides multi-level safety features, including protection against overcharging, deep discharge, and overheating. It also ensures cell balancing and real-time monitoring of voltage and temperature for stable and reliable operation.
Equipped with advanced LiFePO4 battery technology, the system boasts up to 98% energy efficiency and a longer lifecycle compared to traditional lithium batteries. It operates reliably across a wide temperature range, ensuring excellent performance in diverse climates.
| Model No. | RM2.5KWH | RM5KWH | RM7.5KWH | RM10KWH |
| Voltage | 51.2V | |||
| Capacity | 50Ah | 100Ah | 150Ah | 200Ah |
| Energy | 2.56KWH | 5.12KWH | 7.68KWH | 10.24KWH |
| Dimensions(LXWXH) | 3U | 3U/4U | 3U/4U | 5U |
| Weight | 24kg | 45kg | 68kg | 96kg |
| Life Cycles | 6000 cycles | |||
| Enclosure Protection Rating | IP53 | |||
| Operation Voltage | 37.5-54Vdc | 40-57.6Vdc | ||
| Max. Charging Voltage | 56Vdc | 58Vdc | ||
| Max. Charging and Discharging Current | 50A | 100A | 100A | 200A |
| Storage Time/Temperature | 5 months @25℃；3 months @35℃；1 month @45℃ | |||
| Operation Temperature | -20℃-60℃ @60±25% Relative Humidity | |||
| Storage Temperature | 0℃-45℃ @60±25% Relative Humidity | |||
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