Big Battery 12kW 43kWh Rhino 2 Energy Storage System (ESS) - K0714
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 43.02kWh 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 certifications including UL9540, 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 a cutting-edge 12000W Lux inverter, which features its own LCD touch screen display, 3 MPPT inputs, an integrated UPS module for seamless on and off-grid switching, and the ability to handle PV arrays of up to 18000W. Plus, through its 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
- 3 × 48V RHINO 2 – LiFePO4 – 280Ah – 14.34kWh
- 3 × RHINO 2 Conduit Box
- 2 × RHINO 2 Parallel Cable Kit
- 1 × LUXPower 12kW (18kPV) Hybrid Inverter
What our Experts Think
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Very high capacity + strong output — 71.7 kWh storage with 24 kW continuous power output, suitable for full-home energy needs, extended off-grid living, or heavy-duty backup, powering major appliances, HVAC, or small commercial loads.
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Reliable, weather-resistant build — LiFePO₄ cells with advanced BMS, IP65-rated enclosure, and self-heating support safe and stable operation in diverse environments.
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Long service life & deep-cycle durability — Designed for up to ~8,000 cycles at 80% depth-of-discharge, offering many years of reliable service and high usable capacity compared to lead-acid alternatives.
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Advanced safety and monitoring — Integrated protections, cell-balancing, and CANBus/RS485 monitoring make it ideal for whole-home backup or solar-plus-storage systems.
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Versatile for solar integration, backup, or off-grid — Stores excess solar or off-peak grid energy for later use, reducing grid dependence, cutting electricity costs, and enhancing energy resilience.
Q&A
Q: What is the BigBattery 24 kW 71.7 kWh Rhino 2 ESS (K0717)?
A: A high-capacity 48 V LiFePO₄ energy storage system with multiple battery modules and hybrid inverters, designed for whole-home, off-grid, commercial, or backup-power applications.
Q: What does “71.7 kWh” represent?
A: The total usable energy storage capacity of the battery bank, suitable for extended backup or continuous energy use.
Q: What are the core design and safety features?
A: LiFePO₄ chemistry, IP65-rated weatherproof enclosures, advanced BMS with cell balancing, CANBus/RS485 communications, and support for all-weather installation.
Q: What kind of power output and inverter support does the system provide?
A: Up to 24 kW AC output via hybrid inverters, with support for solar input, load control, and seamless grid/off-grid switching.
Q: What applications is this ESS best suited for?
A: Residential homes, cabins, off-grid dwellings, offices, commercial buildings, or solar + battery storage setups requiring high-capacity energy storage and backup power.
Q: What advantages does this ESS offer over simpler battery setups or lead-acid banks?
A: Large usable storage, maintenance-free lithium performance, stable and efficient power under load, robust and weatherproof build, long lifespan, and turnkey integration with inverters and cabling.
Q: Is installation and integration user-friendly?
A: Yes, the system comes as a complete kit with battery modules, inverters, conduit boxes, and cabling for easy installation and integration with solar arrays, grid, or backup generators.
Maintenance Tips
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Install the Rhino 2 ESS in a cool, dry, and well-ventilated area to ensure stable operation and prevent overheating.
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Regularly inspect all wiring, terminals, and connectors for looseness, corrosion, or damage to maintain safe and efficient performance.
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Keep the exterior clean and dust-free using a soft, dry cloth to prevent heat buildup.
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Avoid exposure to direct sunlight, moisture, and extreme temperatures to protect internal components.
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Monitor state of charge and avoid deep discharges to preserve long-term capacity and efficiency.
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For long-term storage or inactivity, maintain batteries at 50–60% charge and disconnect from all loads.
