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Office building stackable battery & Space-saving modular battery : WRES-L-25-055

​Introducing the WRES-L-25-055 Energy Storage System, with 1080Ah capacity, 44.8-57.6V voltage, 800A current, and 90% efficiency. It boasts comprehensive protections, a Bluetooth/button-controlled screen, wall-mounted/stackable design, IP20 rating, -20~55℃ operating range, and a 15+ year lifespan for reliable indoor energy storage applications.
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stackable battery & Space-saving modular battery

Product  Name WRES-L-25-055
Total Energy (kWh) 55.28
Usable Energy (kWh) 51.96
Nominal Voltage (Vd.c) 51.2
Voltage Range (Vd.c) 44.8-57.6
Rated Capacity(Ah) 1080
Max. Current (Charge) 800A
Max. Current (Discharge) 800A
Recommend Using DOD 90%
BMS Features Over-voltage & Over-current Protection Short-circuit Protection  Low-voltage Protection Over Temperature Protection/Cell Balance
Standard Features Bluetooth/Button-Controlled Screen(Wall-mounted type)
Dimension (W *H*  D)(mm) 660*1316*450
Weight (KG) 522
Installation Type Wall-Mounted & Stackable
Communication CAN/RS485
Storage Temperature -20*C-55℃℃(-4°F-131°F)
IP Rating IP20
Cooling Type Natural
Operating Environment Indoor (5%-95%(RH} No Condensing)
Altitude ≤2000 m
Operation Life 15+years(25℃/77°F)



  • Strict selection of high-quality components

Insist on using industry-leading high-quality components and materials.

  • Strict production control

Standardize workflow, check and maintain equipment regularly.

  • Strict quality inspection

Insist on using industry-leading high-quality components and materials

  • Product continuous optimization

Actively collect customers’ opinions and suggestions, and make continuous improvement.

  • Battery life tracking

Premium cells with proprietary BMS for real-time monitoring. Intelligent maintenance strategies ensure system safety and extended lifespan.

  • Electrical safety design

Proprietary PCS and PACK with integrated electrical isolation, over-voltage protection, and grounding to prevent failures. Optimized electrical design achieves up to 92% system conversion efficiency.

  • Design of thermal management system

High-performance thermal materials with aerodynamically optimized ducts and intelligent temperature control reduce self-consumption by 25%. Maintains <5°C thermal differential for system stability.

  • Structural stability design

Proprietary corrosion/temperature-resistant enclosures with optimized structural design, enhanced shock absorption, and IP54 rating ensure reliable operation in harsh environments.

  • Operational safety design

Intuitive user interface with emergency power cut-off; Pressure-relief valves prevent explosions by releasing overpressure.


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