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Energy Storage Power Supply

The energy storage power supply is a series product developed for micro businesses and client groups with low load power. According to the power required by the clients, we may choose energy storage power supply of 10kW/20kWh, 20kW/40kWh or 30kW/60kWh; The power supply can be adjusted and the number of connected units can be added according to the load of the client, with no need for replacing the energy storage power supply, and it supports on/off-grid operation, to meet the requirements for dynamic capacity expansion, peak cut, off-grid power supply and other application scenarios.

Model TESS-10-20 TESS-20-40 TESS-30-60
AC on-grid parameter
Rated power 10KW 20KW 30KW
Input type Three-phase five-wire system
Voltage range 380Vac ± 15%
Current range 15A 30A 45A
Frequency range 50/60Hz ± 5Hz
PF 0.99
THDi ≤5%
AC off-grid parameter
Voltage range 380Vac ± 15%
Voltage accuracy ≤1%
Output frequency 50/60Hz ± 5Hz
THDu ≤3%
Battery side parameter
Battery capacity 23.04kWh 40.32kWh 63.36KWh
Battery type lithium iron phosphate (Li-IP) lithium iron phosphate (Li-IP) lithium iron phosphate (Li-IP)
Rated voltage 153.6V 268.8V 422.4
Voltage range 134.4V~172.8V 235.2V ~ 302.4V 369.6V ~ 475.2V
Basic characteristics
Cooling mode Air cooling + intelligent air conditioning
Fire protection Available
Intelligent monitoring platform Available
Switching time of on-grid and off-grid ≤10ms
Peak efficiency 91.00%
Protection feature Overvoltage/undervoltage, overcurrent, overtemperature/low temperature, islanding, too high/too low SOC, low insulation impedance, short circuit protection, etc.
Operating temperature -20°C ~ +45°C
Relative humidity ≤95% RH, with no condensation
Altitude 4,000m (derating above 2,000m)
Protection grade IP54
Noise <65dB
Communication mode Ethernet, RS485, 4G
Overall dimensions 800mm × 1,000mm × 1,600mm 1,200mm × 1,000mm × 1,800mm 1,200mm × 1,000mm × 2,200mm
Weight Approx. 700Kg Approx. 1,000Kg Approx. 1,500Kg
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