RM5K 20.48–51.20 kWh High-Voltage Modular ESS Cabinet (up to 1.6 MWh)

The RM5K is a high-voltage modular storage cabinet delivering 20.48 to 51.20 kWh per unit, built on LFP 100Ah cells across a 204.8V to 512V platform, and supporting large-scale parallel operation of up to 8 units for a combined 1.6 MWh. It provides a high-capacity, long-life (6,000-cycle) core storage solution for energy-intensive villas, small and medium enterprise microgrids, or community storage power stations. With 60A maximum charge/discharge current, 90% recommended DOD, CAN BMS communication, an LED display and robust over-charge/discharge, high/low-temperature, over-current and short-circuit protection, it scales cleanly into multi-MW community installations.

Product Specifications

Parameter RM5K-20K RM5K-25K RM5K-30K RM5K-35K RM5K-40K RM5K-45K RM5K-50K
Cell capacity LFP 100Ah LFP 100Ah LFP 100Ah LFP 100Ah LFP 100Ah LFP 100Ah LFP 100Ah
Series-parallel configuration 1P64S 1P80S 1P96S 1P112S 1P128S 1P144S 1P160S
Rated energy 20.48kWh 25.60kWh 30.72kWh 35.84kWh 40.96kWh 46.08kWh 51.20kWh
Rated voltage 204.8V 256V 307.2V 358.4V 409.6V 460.8V 512V
Operating voltage range 179.2-230.4 224-288 268.8-345.6 313.6-403.2 358.4-460.8 403.2-518.4 448-576
Max. charge/discharge current 60A 60A 60A 60A 60A 60A 60A
Dimensions (L×W×H) 553*503*1,011 553*503*1,620 553*503*2,230 553*503*2,230 553*503*2,230 553*503*2,230 553*503*2,230
Weight 236.8kg 278kg 319.2kg 360.4kg 401.6kg 442.8kg 484kg
BMS communication CAN CAN CAN CAN CAN CAN CAN
Recommended DOD 90% 90% 90% 90% 90% 90% 90%
Parallel quantity 8 Units in parallel 8 Units in parallel 8 Units in parallel 8 Units in parallel 8 Units in parallel 8 Units in parallel 8 Units in parallel
Display LED LED LED LED LED LED LED
IP rating IP20 IP20 IP20 IP20 IP20 IP20 IP20
Operating temperature Charge: 0-55°C / Discharge: -20~60°C Charge: 0-55°C / Discharge: -20~60°C Charge: 0-55°C / Discharge: -20~60°C Charge: 0-55°C / Discharge: -20~60°C Charge: 0-55°C / Discharge: -20~60°C Charge: 0-55°C / Discharge: -20~60°C Charge: 0-55°C / Discharge: -20~60°C
Relative humidity 0 ~ 95%, Non-condensing 0 ~ 95%, Non-condensing 0 ~ 95%, Non-condensing 0 ~ 95%, Non-condensing 0 ~ 95%, Non-condensing 0 ~ 95%, Non-condensing 0 ~ 95%, Non-condensing
Altitude 4,000m (Derating above 2,000m) 4,000m (Derating above 2,000m) 4,000m (Derating above 2,000m) 4,000m (Derating above 2,000m) 4,000m (Derating above 2,000m) 4,000m (Derating above 2,000m) 4,000m (Derating above 2,000m)
Cycle life 6,000 Cycles 6,000 Cycles 6,000 Cycles 6,000 Cycles 6,000 Cycles 6,000 Cycles 6,000 Cycles
Safety protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection

Product Datasheet

Download the full product specifications and technical data.

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Model variants RM5K-20K / 25K / 30K / 35K / 40K / 45K / 50K
Series-parallel configuration 1P64S / 1P80S / 1P96S / 1P112S / 1P128S / 1P144S / 1P160S
Rated energy 20.48 / 25.60 / 30.72 / 35.84 / 40.96 / 46.08 / 51.20 kWh
Rated voltage 204.8 / 256 / 307.2 / 358.4 / 409.6 / 460.8 / 512 V
Operating voltage range 179.2-230.4 / 224-288 / 268.8-345.6 / 313.6-403.2 / 358.4-460.8 / 403.2-518.4 / 448-576
Max. charge/discharge current 60A
Weight 236.8 / 278 / 319.2 / 360.4 / 401.6 / 442.8 / 484 kg
Recommended DOD 90%
Parallel quantity 8 Units in parallel (up to 1.6 MWh)
IP rating IP20
Operating temperature Charge: 0-55°C / Discharge: -20~60°C
Relative humidity 0 ~ 95%, Non-condensing
Safety protection Over Charge/Discharge Protection, High/Low Temperature Protection, Over Current Protection, Short Circuit Protection
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