Big Battery 24kW 57.3kWh Rhino 2 Energy Storage System (ESS) - K0716
HIGH-CAPACITY RESIDENTIAL 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 home in America. This 57.36kWh outdoor configuration is the ideal solution for grid-tied power in your tiny home, cabin, family home, mansion, or office building, 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 home power 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 home. 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 two 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 36000W 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 home against unstable grids or rolling blackouts, while seeing huge savings each month on your electric bill. But if you already have an inverter at home, don’t worry! The RHINO 2 is compatible with dozens of 48V inverters on the market today.
Whether you’re looking to outfit your home 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
- 4 × 48V RHINO 2 – LiFePO4 – 280Ah – 14.34kWh
- 4 × RHINO 2 Conduit Box
- 3 × RHINO 2 Parallel Cable Kit
- 2 × LUXPower 12kW (18kPV) Hybrid Inverter
What our Experts Think
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Massive Energy Reserve: 57.3 kWh total capacity delivers enough stored energy to power an entire home for many hours — ideal for extended outages, off‑grid dwellings, or heavy-demand loads.
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High Output Capability: 24 kW system output supports large appliances, HVAC systems, or industrial-style loads without strain.
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Versatile Use Cases: Excellent for full-home backup power, solar-plus-storage systems, critical load support, or small-commercial energy storage.
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Long-Life LiFePO₄ Chemistry: Modern battery chemistry ensures safety, stable performance, and a long lifecycle — significantly more durable than lead-acid alternatives.
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Reliable Energy Management (essentials): Designed for stable discharge and recharge cycles, smooth integration with inverters, and consistent performance under repeated cycling.
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Low Maintenance & Robust Design: Built for heavy-duty, long-term operation with minimal upkeep — a “set-and-forget” solution for demanding power 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, providing reliable high-capacity energy storage.
Q: What is the power and capacity?
A: Delivers 24kW continuous power with a 57.3kWh energy capacity, supporting heavy loads and extended runtime.
Q: What battery chemistry does it use?
A: Uses LiFePO4 cells, offering 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, it integrates with standard grid-tied or off-grid inverters and solar setups for flexible energy management.
Q: How long will the batteries last?
A: LiFePO4 chemistry ensures thousands of cycles, providing years of reliable, low-maintenance operation.
Q: Why choose the Rhino 2 ESS?
A: Popular for its high capacity, robust performance, safety features, and scalable energy storage for residential and commercial applications.
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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Keep cooling system clean: Ensure fans, vents, and heat sinks are dust-free to prevent overheating.
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Firmware updates: Apply manufacturer-recommended updates to maintain efficiency and safety.
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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, ventilated area away from direct sunlight, moisture, or corrosive materials.
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Avoid overloads: Do not exceed the rated 24kW output to protect the ESS and ensure long-term reliability.
