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261 kWh Liquid-Cooled ESS Cabinet

Battery storage with PV and diesel-generator interfaces for commercial microgrid projects. Final electrical design and supply scope are confirmed for each site.

261 kWh cabinet with MonkeyBattery OEM logo preview on the closed door and visible open cabinet
Supplied photo showing the cabinet's internal battery modules and electrical equipmentSupplied close-up photo of the cabinet battery modules and connections

First image: OEM logo visualization based on the supplied cabinet photo. Interior images are supplied photos; final exterior marking and build must be confirmed in the order.

C&I · PVDG BESS · LIQUID-COOLED BATTERY

261 kWh · 125 kW

Reference model in the supplied B261 specification: IYP-B261L-125H3-120M1-HX1. Battery modules use LiFePO₄ chemistry; the datasheet lists PV input, on/off-grid AC and a diesel-generator port.

261kWh rated energy
125kW rated AC power
120kW maximum PV input
314Ah rated capacity
IP65 is specified for the battery section only, not the whole cabinet. Price, availability, certificates, warranty, delivery, installation and final configuration require written confirmation before purchase.
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TECHNICAL DATA

Reference values from the supplied B261 datasheet

Reference modelIYP-B261L-125H3-120M1-HX1
Battery chemistry / rated energyLiFePO₄ / 261 kWh
Nominal battery voltage / rated capacity832 V / 314 Ah
Battery coolingLiquid cooling
Maximum PV power / voltage120 kW / 950 Vdc
MPPT range / maximum PV input current250–850 Vdc / 200 A
On-grid AC rated power125 kW · 400/230 Vac · three-phase L1/L2/L3/N/PE · 50/60 Hz
Off-grid AC rated power125 kW · 400/230 Vac · three-phase L1/L2/L3/N/PE · 50/60 Hz
Maximum AC current / transfer time180 A / <10 ms (datasheet value)
Diesel-generator port / communicationYes / RS485 and Wi-Fi
Ingress protectionIP65 (battery section only; whole-cabinet rating not stated)
Fire-protection systemListed as “Yes” in datasheet; design and certification to confirm
Operating conditions−10 to +55 °C · 5–95% relative humidity · altitude <2,000 m
Dimensions / approximate weight980 × 1300 × 2320 mm / about 2600 kg
MPPT channels / parallel operation1 or 4 channels (variant to confirm) / up to 10 units stated

These are reference figures from the user-supplied B261 specification, which says actual products may vary and customization is available. Confirm the exact configuration, drawings, protection rating, certifications and commercial terms before contract.