Big Battery 36kW 86kWh Rhino 2 Energy Storage System (ESS) - K0719
HIGH-CAPACITY COMMERCIAL ESS! The second generation of BigBattery’s flagship 48V RHINO has arrived, and the next-gen RHINO 2 is here to revolutionize power storage for every business and home in America. This 86.04kWh commercial configuration is the ideal solution for grid-tied power in your office building, tiny home, cabin, family home, or mansion, supported by comprehensive safety, reliability, state-of-the-art features, and the highest level of battery certifications including UL9540A and UL1973.
The RHINO 2 System is built to be a durable, high-capacity commercial ESS solution, with a single unit design and a convenient conduit box on top of the unit for effortless cable management and a sleek finished look, with all hardware included to secure the RHINO 2 to your wall with a simple installation. The RHINO 2 comes equipped with an IP65-rated, all-weather casing, as well as an advanced BMS with auto cell-balancing, and a responsive self-heating function to ensure long-lasting safety and reliability even in the harshest of conditions. Plus, the RHINO 2 features an interactive LED display on the side of the unit, along with full CANBus and RS485 communication protocols, so you can always monitor the status and performance of your power. The RHINO 2 even boasts an internal fire extinguishing unit for ultimate peace of mind when installed inside or outside your business. Supported by these robust safety and visibility features, this power system is engineered to withstand up to 8,000 cycles at 80% depth of discharge (DoD), achieving lifespans of up to 10+ years!
But that’s not all. We pair our RHINO 2 with three cutting-edge 12000W Lux inverters, which each feature their own LCD touch screen displays, 3 MPPT inputs, an integrated UPS module for seamless on and off-grid switching, and the ability to handle PV arrays of up to 54000W across both inverters. Plus, through their smart load control, AC coupling abilities, and peak shaving function, you can meet your power needs and protect your office or home against unstable grids or rolling blackouts, while seeing huge savings each month on your electric bill. But if you already have an inverter installed, don’t worry! The RHINO 2 is compatible with dozens of 48V inverters on the market today.
Whether you’re looking to outfit your office or commercial space with a powerful solar system or you’re simply looking to ensure emergency backup power is always available, the RHINO 2 ensures reliable, efficient power delivery day in and day out, allowing you to save on utilities, or get rewarded for giving back to the grid through net metering programs and other tax incentives. Take control of your home’s power and shop the all-new 48V RHINO 2 Systems today!
Included
- 6 × 48V RHINO 2 – LiFePO4 – 280Ah – 14.34kWh
- 5 × RHINO 2 Parallel Cable Kit
- 6 × RHINO 2 Conduit Box
- 3 × LUXPower 12kW (18kPV) Hybrid Inverter
What our Experts Think
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Huge Energy Reserve: With 86 kWh capacity, this battery system stores enough energy for extended backup — ideal for entire homes, remote cabins, or small‑scale commercial use.
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High‑Power Output: 36 kW output supports heavy loads such as HVAC, multiple appliances, or industrial‑style equipment without strain.
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Flexible & Scalable: Perfect for solar‑plus‑storage setups, off‑grid living, or large backup power systems — supports a wide range of electrical demands.
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Advanced LiFePO₄ Chemistry: Provides long cycle life, safety, thermal stability, and significantly more durability and reliability than lead‑acid alternatives.
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Stable Energy Management: Designed for smooth discharge and recharge cycles, ensuring consistent performance even under heavy, repeated use.
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Low Maintenance & Robust: Built for continuous, long‑term operation with minimal upkeep — a dependable “set-and-forget” solution for serious energy needs.
Q&A
Q: What is the Big Battery Rhino 2 ESS used for?
A: Designed for large-scale residential, commercial, and off-grid solar systems, delivering high-capacity, reliable energy storage.
Q: What is the power and capacity?
A: Provides 36kW continuous output with 86kWh energy capacity, supporting heavy loads and long-duration backup power.
Q: What battery chemistry does it use?
A: Uses LiFePO4 cells, ensuring long cycle life, high efficiency, and enhanced safety for demanding applications.
Q: Does it include a BMS?
A: Yes, the system features an advanced Battery Management System for overcharge, over-discharge, and thermal protection.
Q: Is it compatible with inverters and solar systems?
A: Yes, integrates with grid-tied or off-grid inverters and solar setups for flexible energy management.
Q: How long will the batteries last?
A: LiFePO4 chemistry provides thousands of cycles, offering years of reliable, low-maintenance operation.
Q: Why choose the Rhino 2 ESS 36kW/86kWh?
A: Users prefer it for high-capacity performance, scalable energy storage, robust reliability, and safety features for residential and commercial use.
Maintenance Tips
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Inspect connections regularly: Check AC/DC terminals, busbars, and wiring for tightness, corrosion, or dust buildup.
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Monitor system performance: Use the BMS or monitoring software to track voltage, temperature, and error codes.
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Maintain cooling system: Keep fans, vents, and heat sinks clean to prevent overheating.
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Firmware updates: Apply manufacturer-recommended updates to maintain efficiency, safety, and optimal performance.
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Check grounding: Ensure proper grounding to avoid electrical hazards and maintain stable operation.
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Environmental care: Install and operate in a cool, dry, and ventilated area; avoid direct sunlight, moisture, or corrosive conditions.
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Avoid overloads: Do not exceed the rated 36kW output to protect the ESS and ensure long-term reliability.
