Big Battery 48V 1x MUSTANG Kit – RV/Van - K0933
MOVE LIKE THE MUSTANG! BigBattery’s 48V MUSTANG is our latest LiFePO4 solution for your vehicle. 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.
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 today!
Included
- 1 × 48V MUSTANG - LiFePO4-139Ah-7kWh
- 1 × Growatt 3K Inverter
What our Experts Think
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Compact 48 V LiFePO₄ power block — Provides 7 kWh (139 Ah) in a small footprint, ideal for RVs, vans, utility carts, or 48 V off-grid setups.
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High-quality chemistry & safety — LiFePO₄ cells with an advanced BMS protect against over/under-voltage, over-current, short circuits, and temperature extremes for reliable operation.
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Good power delivery & flexibility — Supports continuous output around 7.5 kW and peak bursts up to 300 A, sufficient for RV appliances, small motors, or utility loads.
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Easy installation & lead-acid replacement — Single 48 V block with standard terminals simplifies swapping old batteries without complex rewiring.
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Scalable for future needs — Can be paralleled with additional MUSTANG units if higher capacity is required later.
Q&A
Q: What is the BigBattery 48V 1× MUSTANG Kit (K0933)?
A: A 48 V LiFePO₄ battery pack — a single MUSTANG module — designed for RVs, vans, 48 V utility vehicles, or other systems needing a compact, reliable lithium battery upgrade.
Q: What are its core specifications and capacity?
A: 7 kWh usable capacity, 139 Ah, nominal voltage ~51.2 V, continuous discharge up to 120 A (~7.5 kW), with short-term peak discharge up to 300 A.
Q: What safety and reliability features does it offer?
A: Built-in intelligent BMS with protection against over/under-voltage, over-current, short-circuit, and over/under-temperature. High-quality lithium cells ensure safe and long-lasting operation.
Q: What systems and applications is it suited for?
A: Golf carts, 48 V UTVs/LSVs, RVs, camper vans, food trucks, mobile work vehicles, emergency backup systems, and other 48 V applications requiring reliable lithium power.
Q: What advantages does it have over lead-acid batteries?
A: Higher usable energy per charge, lighter weight, maintenance-free operation, stable voltage under load, efficient discharge, and longer lifespan.
Q: Can this kit be expanded for more capacity?
A: Yes, multiple MUSTANG units can be connected in parallel (up to 8 units) to increase total storage and output capacity.
Maintenance Tips
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Install the MUSTANG Kit in a cool, dry, and well-ventilated area to maintain stable 48V performance and extend battery life.
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Regularly inspect terminals, connectors, and wiring for corrosion, looseness, or damage to ensure safe and reliable operation.
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Clean the battery casing with a soft, dry cloth to remove dust and prevent heat buildup.
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Protect the kit from direct sunlight, moisture, and extreme temperatures to preserve cell health and efficiency.
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Avoid deep discharges; monitor state of charge to maintain long-term capacity and performance.
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For long-term storage, maintain the battery at 50–60% charge and disconnect from all loads.
