48V MUSTANG – LiFePO4-139Ah-7kWh


10 Year Warranty

Applied To Batteries Only


48V MUSTANG – LiFePO4-139Ah-7kWh


Compatible Chargers & Inverters

SKU AMSTG-48070-G1 Categories , , , SKU#:

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!


10 Year Savings Vs Lead-Acid


the weight and space




Safe & Reliable 

Tech Specs

GTIN-12 (U.P.C.):850061252609
System Voltage:48V
Nominal Voltage:51.2V
Chemistry: LiFePO4
kWh Capacity: 7kWh
Ah Capacity: 139Ah
Charging Voltage Range:55.6 - 58.0V
Max Charge Voltage:58.8V
Operating Voltage Range:47.2 – 58.8V
Suggested Low Voltage Cutoff:47.2 – 50.8V
BMS Cutoff Range:42 – 47V
Cell Configuration:16S
Max Continuous Discharge Current:120A
Max Continuous Power: 7500W
Max Discharge Peak Current: 300A (6 Seconds)
Max Charge Current:45A
Charge Temperature Range:0°C (32°F) / 55°C (131°F)
Discharge Temperature Range:-20°C (-4°F) / 55°C (131°F)
Optimal Discharge Temperature Range:15°C (59°F) / 35°C (95°F)
Storage Temperature Range: -5°C (23°F) / 35°C (95°F) (Max 6 Months)
Weight:146 lb (66.2 kg)
Depth:11.6 in (29.5 cm)
Width: 39.9 in (101.4 cm)
Height:4.4 in (11.2 cm)
Safety Features:Fuse (300A) & Battery Management System
(Over/Under Voltage, Over Current, &
Over/Under Temperature Protections)
Max Connections:Up To (8) Parallel
Spec Sheet Download:

Designed For 48V Applications




    For more information or larger quantity inquiries, visit our B2B page or please call our sales team at #(818) 280-3091

    Stay Up To Date

    Get access to exclusive deals, hear about new products before anyone else, and enjoy tips, tricks, and DIY hacks from our community of experts.

    [mc4wp_form id="74"]

    Online Support

    LiveChat, Call & eMail

    10 Years Warranty

    Full Battery Coverage

    Fastest Shipping

    Manufacturing In USA

    Safest Batteries

    Reliable: LiFePO4