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Pylontech Battery Controller

900.00  ex. VAT

ESS Energy Center

Energy Center

ESS Energy Warehouse

Energy Warehouse is a Iron Flow Battery.

• Warranty backed by Munich Re
• Cost-effective, made of Earth’s basic elements.
• Environmentally safe, non-toxic electrolyte;
– no risk to environment or personnel.
• Non-flammable–non-explosive–no hazardous materials
• Long-duration storage (4–12 hours).
• Optional power configurations between 33 kW and 100 kW
• No cooling/air conditioning requirement.
• Long life, >20,000 cycles, low maintenance.
• Shipped in dry state and hydrate onsite –reducing
shipping costs
• Fast and easy permitting –no hidden liabilities;
no hazmat compliance plan requirement

ESS Energy Warehouse Data-Sheet



Utilizing earth-abundant iron, salt and water for its electrolyte, and simple materials for battery
components, the Energy Warehouse™ (EW) from ESS Inc. is a safe (no hazardous materials)
and sustainable (fully recyclable) iron flow battery storage solution that is ideally suited for:
• Time-shifting renewable energy on a daily basis.
• Managing a facility’s demand or TOU charges.
• Smoothing the intermittency of renewables on a constrained grid.
• Increasing resiliency and fuel efficiency for remote locations.
The EW has an energy storage capacity of 400 kWh, a 25-year design life, and can be configured
with variable power to provide storage durations of 4 to 12 hours. These features make it ideal for
traditional renewable energy and utility projects where long-life and unlimited cycling capability
are desired. Concurrent with serving these applications, the EW’s inherent quick-response power
electronics can perform ancillary grid services such as voltage and frequency support on microgrids.

ESS Inc.’s iron redox (reduction-oxidation) flow battery technology is based on the simplicity
of the electrochemical ferrous/iron plating reaction on the negative side and the ferrous/ferric
redox reaction on the battery’s positive side.
The firm’s patented electrode design and control system allow the battery to operate at high
efficiency over literally an unlimited number of deep charge and discharge cycles, with no
degradation or capacity fade. Our products are designed for a 25-year operating life with
minimal annual operations & maintenance (O&M) requirements.


Product Specifications

Configurable Range: 33 kW–100 kW (peak power)
Storage Duration: 4–12 hours
Usable Energy: 400 kWh
Roundtrip Efficiency: 75% (DC-DC)
Standard DC Voltage: 765-935 VDC, 500 V max to PE ref.
Optional AC Voltage: 400-480 VDC, 3-phase, 50/60 Hz
Response Time: <1 sec.
Module Cycle Life: >20,000 cycles
Controls: On-board battery management system:
Modbus interface (SunSpec protocol)
Communication Options: 24/7 remote monitoring (TCP/Ethernet interface)
Certification: Inverter UL 1741 SA certified
UL 9540, IP54, CE mark (EU version only)
Footprint: 320 ft2 or 29.7 m2; Seismic rated, Stackable
Dimensions: 12.2 m x 2.4 m x 2.9 m (40 ft x 8 ft x 9.5 ft)
Max Weight (Dry): 16,000 kg
Max Weight (Wet): 38,000 kg
Battery: Recyclable components
Electrolyte: FeCl2, KCl, H2O; re-usable, recyclable
Ambient Temperature: -5°C to +50°C
Warranty: 1 year comprehensive defect warranty
10 year warranty backstop underwritten by Munich Re


  Product Documentation

Energy Warehouse Data-Sheet


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Irakliou Ave. 411
Athens, 14122, Greece, EU