Big Battery 48V 2x MUSTANG KIT – RV/VAN - K0934
MOVE LIKE THE MUSTANG! BigBattery’s 48V 2x MUSTANG Kit is our latest LiFePO4 solution for your vehicle, with 14kWh of capacity. Whether you’re looking to equip your golf cart with a high-capacity power system, or outfit your RV or camper van with a battery that’ll keep you moving forward, the MUSTANG is your answer!
The MUSTANG is one of our most energy-dense models, packing 7kWh and 139Ah of capacity in a sleek, steel casing. This battery is built to maximize the capabilities of your power system, and was designed for efficient power delivery, with generous operating parameters, regardless of how far your adventures take you. But that’s not all, the MUSTANG is equipped with state-of-the-art safety and reliability features, so you can hit the road worry-free. The MUSTANG utilizes Grade A Razor cells, the safest lithium cells on the market today, capable of being fully punctured without releasing fumes or catching fire. But we didn’t stop there! This battery is also equipped with our proprietary Beyond BMS, an advanced battery management system with triple safety redundancy, including protections such as Short Circuit, Over Current, Over/Under Voltage, and Over/Under Temperature protections.
Plus, we pair these MUSTANGs with a cutting-edge 6000W EG4 split-phase inverter, equipped with its own in-depth LCD display, so you can always stay up to date on the status and performance of your power. This multifunctional inverter and charger boasts advanced parallelability up to 96kW, built-in circuit breakers, smart load control, variable working modes, and an integrated UPS module, along with the ability to handle PV arrays of up to 8000W, making this unit a perfect companion to your 48V MUSTANGs.
So if you’re looking to turn your vehicle into a lean, mean, lithium-powered machine, this battery will deliver. The MUSTANG is guaranteed to provide reliable, high-capacity power storage from the moment you head out, to the moment you get back. Shop the all-new 48V MUSTANG & MUSTANG Kits today!
Included
- 2 × 48V MUSTANG - LiFePO4-139Ah-7kWh
- 1 × EG4 6kW (8kPV) OFF-GRID INVERTER
- 1 × 2AWG (Black and Red) 3FT Ring to Ring Terminal Cable
- 1 × Parallel Busbar
- 2 × 4AWG 4FT BB175 to Ring Terminal Cable
What our Experts Think
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Robust Dual‑Battery Setup: Two 48 V MUSTANG batteries provide ample capacity — ideal for RV/van conversions, mobile homes, or off‑grid travel setups.
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Long Runtime for On‑the‑Move Use: Delivers stable power for prolonged periods, making it suitable for appliances, lighting, small HVAC, or accessories while traveling.
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LiFePO4 Battery Advantages: Offers better safety, longer cycle life, thermal stability, and much lower maintenance compared to traditional lead‑acid banks.
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Compact Yet Powerful Design: Efficient use of space — important for RVs and vans where storage is limited — without sacrificing performance.
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Reliable Discharge Under Load: Handles continuous and intermittent loads reliably — useful for a variety of onboard systems.
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Low Maintenance, High Durability: Minimal upkeep required, with the rugged design handling vibrations and conditions typical of mobile environments.
Q&A
Q: What is the Big Battery 48V 2x MUSTANG Kit used for?
A: Designed for 48V RVs, campervans, and off-grid mobile setups, providing reliable high-capacity LiFePO4 energy.
Q: What is included in the kit?
A: Includes two 48V MUSTANG batteries, delivering extended runtime and stable power for mobile applications.
Q: What battery chemistry does it use?
A: Uses LiFePO4 cells, offering long cycle life, high efficiency, and enhanced safety for RV and van systems.
Q: Does it include a BMS?
A: Yes, each battery features a built-in Battery Management System for overcharge, over-discharge, and thermal protection.
Q: Is it compatible with RV and van electrical systems?
A: Yes, fully compatible with 48V RV, campervan, and off-grid inverter systems.
Q: How long will the batteries last?
A: LiFePO4 chemistry ensures thousands of cycles, providing years of reliable use in mobile applications.
Q: Why choose the MUSTANG 2x Kit?
A: Users prefer it for high capacity, long lifespan, safe operation, and dependable power on the road.
Maintenance Tips
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Inspect connections regularly: Check battery terminals and wiring for tightness, corrosion, or dust buildup.
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Charge properly: Use the recommended charger and avoid deep discharges below 20–30% to maximize battery lifespan.
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Monitor battery health: Use BMS indicators or monitoring tools for voltage irregularities, temperature alerts, or error codes.
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Keep batteries clean and dry: Wipe surfaces and terminals to prevent corrosion and dust accumulation.
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Balance charge periodically: Perform a full balance charge every 1–2 months to maintain optimal performance.
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Environmental care: Install and operate in a cool, dry, and ventilated area inside your RV or van; avoid direct sunlight or extreme heat.
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Avoid overloads: Do not exceed the rated load to protect batteries and ensure safe operation.
