Fox ESS Energy Cube 2900 HV Lithium Ion Battery
Fox ESS Energy Cube 2900 HV Lithium Ion Battery

Fox ESS Energy Cube 2900 HV Lithium Ion Battery

Fox ESS Energy Cube 2900 HV Lithium Ion Battery

Regular price R 37,401.00 incl. VAT Sale price R 26,714.95 incl. VATSave R 10,686.05
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The ECS2900 is a high-performance, scalable high-voltage battery storage system designed for residential and commercial energy applications. Its modular architecture allows up to seven battery modules to be installed in series, enabling system expansion from 2.88kWh to 20.16kWh. With advanced LiFePO₄ chemistry, high round-trip efficiency, 90% depth of discharge, and wide temperature tolerance, the ECS2900 delivers dependable long-term performance. Its plug-and-play design ensures fast installation, while CAN/RS485 communication offers seamless integration with compatible inverters and energy management systems.

  • 2.88kWh battery module capacity
  • Scalable system: up to 20.16kWh (max. 7 modules in series)
  • High round-trip efficiency > 95%
  • 90% depth of discharge (DOD)
  • Long cycle life ≥ 6000 cycles
  • LiFePO₄ (LFP) cell chemistry for safety and reliability
  • Wide operating temperature range
  • CAN and RS485 communication
  • Easy installation with plug-and-play modular design
  • IP65 ingress protection — suitable for indoor or outdoor installation

ECS2900 Series Technical Specifications

Specification ECS2900-H2 ECS2900-H3 ECS2900-H4 ECS2900-H5 ECS2900-H6 ECS2900-H7
Battery Type LFP (LiFePO₄)
Battery Module 1×CM2900 + 1×CS2900 1×CM2900 + 2×CS2900 1×CM2900 + 3×CS2900 1×CM2900 + 4×CS2900 1×CM2900 + 5×CS2900 1×CM2900 + 6×CS2900
Nominal Capacity (Wh) 5760 8640 11520 14400 17280 20160
Nominal Voltage (V) 115.2 172.8 230.4 288 345.6 403.2
Operating Voltage (V) 97.2–131.4 145.8–197.1 194.4–262.8 243–328.5 291.6–394.2 340.2–459.9
Recommended Discharge Current (A) 25
Max. Charge/Discharge Current (A) 50
Peak Discharge Current (A) 65 @ 60 sec
Round-Trip Efficiency (%) > 95
Depth of Discharge (DOD) 90%
Cycle Life ≥ 6000
Communication CAN, RS485
Display CS: LED×1, CM: LED×6
Scalability Max. 7 modules in series
Operating Temperature (°C) Charge: 0~55   |   Discharge: -10~55
Storage Temperature (°C) -20 ~ 55
Cooling Method Natural Convection
Humidity (%) 5 ~ 95 (No Condensation)
Altitude (m) Max. 3000
Weight (kg) 68.3 100.3 132.3 164.3 196.3 228.3
Dimensions (W×H×D mm) 570×350×380 570×470×380 570×590×380 570×710×380 570×830×380 570×950×380
Safety Certification IEC 62619
EMC EN IEC 61000-6-1/2/3/4
Transportation UN38.3
Ingress Protection IP65

Important:

All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

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