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i-Tank Mini

Battery Energy Storage Solution (BESS) — C&I (125kW/261kWh)

Containerized commercial-scale storage system rated at 125kW/261kWh
Lithium Iron Phosphate (LFP) prismatic cells, 3.2V/314Ah per cell
Battery module configuration of 1P5S with 166.4V nominal module voltage
Rack configuration of 5 modules per rack (1P260P system, 260 total cells)
Rated voltage of 832V with operating range of 650V–936V
Typical charge/discharge duration of 2 hours at 0.5C max C-rate
90% typical depth of discharge with 235kWh usable energy
Round-trip efficiency (RTE) of 85%
Active liquid cooling using 50% ethylene glycol + 50% water coolant mix
Auxiliary power consumption of max 4kW for thermal management
Battery Management System with Pack BMU + Rack BMS architecture

Comprehensive protection: OV/UV/OC/OT (over-voltage, under-voltage, over-current, over-temperature)
Fire detection via heat and smoke sensors with automatic aerosol-based suppression
Communication via Modbus TCP/IP for building energy management integration
IP54-rated cabinet protection, total system weight up to 2700kg
Operating ambient temperature of -10°C to 55°C
Max operating altitude of 3000m (with derating above 2000m)
Suited for commercial sites needing containerized storage for load-shifting and backup resilience.

Key Features

128 kWh energy capacity with compatibility for 30–60 kW hybrid inverters for commercial and industrial applications.
LFP (Lithium Iron Phosphate) prismatic cells, 3.2 V / 314 Ah nominal per cell.
409.6 V DC nominal system voltage with an operating range of 332.8–460.8 V DC.
8 battery packs with 128 total cells and 16.08 kWh energy per pack.
≥90% round-trip efficiency for efficient energy storage and discharge.
Maximum charge/discharge rate of 0.5P / 0.5P.
Long-life cell design with ≥6,000 cycles at 70% SoH.
10-year expected system life for typical commercial and industrial duty.
Forced-air cooling with integrated HVAC for effective thermal management.
3 kW nominal cooling capacity with R134a refrigerant.
Battery operating temperature range of 0°C to +55°C, with an optimal range of 10°C to 45°C.
HVAC operating temperature range of −30°C to +55°C for reliable thermal management.
Integrated two-level BMS architecture for battery pack and system monitoring and protection.
Cell-level temperature monitoring with integrated HVAC for maintaining optimal internal cabinet temperatures.
Grid-connected, off-grid and backup operating modes supported, as applicable.
Integrated emergency shutdown (E-stop) for enhanced operational safety.
IP54-rated cabinet with an approximate total weight of 1.5 tonnes.
System dimensions: 1140 × 1100 × 1950 mm without canopy and 1735 × 1100 × 1950 mm with canopy.

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