Big Battery 6kW 14.3kWh RHINO 2 Off-Grid Power System

HIGH-CAPACITY OFF-GRID POWER! 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 14.34kWh configuration is the ideal solution for off-grid power in your tiny home, cabin, or homestead, supported by comprehensive safety, reliability, and state-of-the-art features.
The RHINO 2 System is built to be a durable, high-capacity off-grid 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 6000W split-phase inverter & charger from EG4, which features its own LCD touch screen display, 2 MPPT inputs, an integrated UPS module for seamless on and off-grid switching, and the ability to handle PV arrays of up to 8000W. 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 an uninterrupted power 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, and most importantly, stay powered and prepared. Take control of your power and shop the all-new 48V RHINO 2 Systems today!
Included Components

1 × 48V RHINO 2 – LiFePO4 – 280Ah – 14.34kWh
1 × EG4 6kW (8kPV) OFF-GRID INVERTER

Spec Sheet
User Manual

Orders ship within 1–5 business days. Shipping rates vary by order and destination. We ship across the U.S., with additional charges for Hawaii and Alaska. For damaged, lost, or delayed orders, please contact us for assistance.

Most products include a 12-month limited warranty covering manufacturer defects. Warranty terms may vary by product, especially lithium batteries and electrical components. Damage from improper installation, misuse, or normal wear is not covered.

Returns are accepted within 30 days of delivery for a full refund or exchange. Items must be new, unused, and undamaged, with the original order number provided. Customers are responsible for return shipping on unwanted or incorrectly ordered items. Lithium batteries must be unused and sealed to qualify for return. Damaged, defective, or incorrect orders should be reported immediately.