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HESS

5
10
15
20
Stackable low-voltage battery for energy storage

Flexible Configuration

Different capacities from 5 to 20 kWh for your needs

Ease of Installation

Simple battery installation, like “plug and play”

Perfect Compatibility

Compatible with popular inverters

Smart Monitoring

Real-time battery status monitoring via app

Model Features

The HESS-5, HESS-10, HESS-15 and HESS-20 models are designed for owners installing new solar power and storage systems. Solar systems are integrated directly into the HESS series, allowing for higher efficiency and a compact installation with the inclusion of solar inverters.

Models HESS-5 HESS-10 HESS-15 HESS-20
HESB1-5 HESB1-10 HESB1-15 HESB1-20
Number of Batteries 1 2 3 4
Nominal Capacity (kWh) 5.12 kWh 10.24 kWh 15.36 kWh 20.48 kWh
Nominal Voltage (V) 51.2 V
Voltage Range (V) 46.4~55.2 V
Nominal Charge/Discharge (A) 50 A 100 A 150 A 200 A
Max Charge/Discharge (A) 100 A 180 A 200 A 200 A
Communication Interface CAN 2.0/RS485
Protection Functions Over-voltage protection during charging, under-voltage protection during discharging, overload protection, over-temperature protection, short-circuit protection, etc.
Protection Level IP55
Operating Altitude ≤2000 m (Nominal power decreases at altitudes above 2000 m)
Operating Temperature Charging: -10~50°C; Discharging: -20~50°C
Storage Temperature -20°C~50°C
Relative Humidity 10%~95%, non-condensing
Weight (kg) 58 103 148 201
Dimensions (W*H*D, mm) 573*597*189 mm 573*912*189 mm 573*1227*189 mm 573*1542*189 mm
Warranty 5 years (extendable up to 10 years)
Certification CE/UL 1973/UL 9540/IEC 62619
Transportation Standard UN38.3
Models HESB1-15
HESB1-15
HESB1-20
HESB1-20
HESB1-25
HESB1-25
Number of Batteries

3

4

5

Nominal Capacity (kWh)

15.36 kWh

20.48 kWh

25.6 kWh

Nominal Voltage (V)

153.6 V

204.8 V

256 V

Voltage Range (V)

134.4~172.8 V

179.2~230.4 V

224~288 V

Nominal Charge/Discharge (A) 52.5/52.5 A
Communication Interface CAN 2.0/RS485
Protection Functions Over-voltage protection during charging, under-voltage protection during discharging, overload protection, over-temperature protection, short-circuit protection, etc.
Protection Level IP55
Operating Altitude ≤2000 m (Nominal power decreases at altitudes above 2000 m)
Operating Temperature

Charging: -10~50°C

Discharging: -20~50°C

Storage Temperature -20°C~50°C
Relative Humidity 5%~90%, non-condensing
Weight (kg)

146.5 kg

189 kg

231.5 kg

Dimensions (W*H*D, mm)

720*1110*220 mm

720*1360*220 mm

720*1610*220 mm

Warranty 5 years (extendable up to 10 years)
Certification CE/IEC 62619/IEC 62040
Transportation Standard UN38.3
Онлайн консультант Ellips ESS

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