BigBattery 48V MUSTANG – LiFePO4-139Ah-7kWh

Description

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!

Designed For 48V Applications

Golf Carts
Utility Carts
48V UTVs & LSVs
Lead Acid Replacement
Class A, B, & C RVs
Camper Vans
Food Trucks
Semi-Truck APS
Commercial Vehicles
Emergency Backup

Product Specifications

BigBattery 48V MUSTANG – LiFePO4-139Ah-7kWh Product Specifications

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:	Click Here

Product Manual

N/A

Product Warranty & Return Policy

BigBattery Warranty

In the unlikely event you are having an issue with one of our batteries, we have developed a
straightforward Warranty & Return Policy servicing all customers in the USA:

Real (10) Year Warranty

All our batteries come with a 10-Year Full Repair/Replacement Warranty. If our batteries malfunction
due to component or manufacturing error, the product will be repaired or replaced free of charge.
Full Lifetime Tech Support & Customer Service

All batteries include a Free Lifetime Technical Support & Troubleshooting Service. If you have any
questions or need any help, simply call us at +1 (818) 280-3091 from 9am – 5pm, Monday – Friday, or
send us an email anytime at Support@BigBattery.com.
Free Repair & Replacement

All batteries are built to last a minimum of 10 years. We stand by the quality of our batteries. If any parts within our battery fail due to defects or manufacturing error within the next 10 years, we will fix or replace your battery free of charge. In addition, for the first year of the warranty we will even cover all shipping costs from/to your purchase address within the continental US.
Highest Quality Guarantee

BigBattery utilizes Tier 1 cells to provide the highest quality lithium battery packs in the USA. Depending on the model, use case and environment, your battery is designed to last between 3,500 – 8,000 cycles when used as intended within our published battery specifications.
Covered Products

This Warranty covers all battery packs from the “Date Of Purchase” from BigBattery for 10 years and
all accessories included for 30 Days.
Automated Warranty Registration

No warranty registration is needed. Warranties are automatically recorded via an internal customer
database via serial number and QR code.
Product Manuals & Specification Sheets

BigBattery provides a proprietary QR code on every battery. Scan this QR code with any phone to view
the Product Manual and Product Spec Sheet for your specific battery model. Providing these documents
to you in a digital format helps to protect our environment and provides you the most updated information
on your product in real time.
Domestic Warranty Claim Support

To start a warranty claim, please email us directly at Support@BigBattery.com to create a ticket. Include a written description of the problem and pictures if possible. Upon receipt, our Tech Support team will reach out to you within 24 – 48 hours to troubleshoot. If the battery has been purchased within a year if the issue being reported to BigBattery, you will be sent a Return Shipping Label at no cost. After the first year, you will have the option to pay for the shipping, or arrange your own shipping back to BigBattery. If the label is provided by BigBattery, please include a copy of this label in the return box or pallet when our 3rd party logistics provider arrives to pickup your return. All returns will be inspected prior to repair, replacement, or reimbursement, depending on the circumstances of return and availability of similar items. For detailed instructions, please review our Warranty Repair/Replacement Services section below.
Returning Accessories

This Warranty includes a 30-Day replacement for all accessories (Anderson connectors, wiring, chargers, etc.)
included with your battery. If product is not defective or damaged upon return, refunds will be offered based on
the purchase price of the unit minus a 20% restocking fee.
Change Your Mind

That’s OK! All our batteries come with a 30-Day money back guarantee. Returns will be subject to a 20% restocking
fee. Call or email customer service for a free shipping return label.
Non-Transferable

Our Warranty applies to the original owner. If you wish to transfer your Warranty to another party, you can do so
within 30 days of your purchase by sending a Warranty Transfer Request to Support@BigBattery.com.
Return Hazmat Fee

Due to the shipping regulations of lithium batteries, please note that some battery returns may require special
documentation and packaging, and these instances could encounter extra fees if a customer is attempting to
return a battery not covered by our Repair and Replacement Policy.
Battery Abuse Disclaimer

This warranty does not cover damages resulting from misuse, abuse, accidents, alterations, or improper charging/
installation of our product. Please scan the QR code on your battery and read the Manual prior to installation and
charging. DIY modifications or damage due to gross negligence or abuse will void your Warranty.
Fraud Protection

Repair, replacement, and refunds for your purchase will only be possible after your returned battery
has been received and fully inspected at our facility.
Limitation of Damages

In no event shall BigBattery, Inc. be liable for consequential damages due to breach of this Warranty.
Customer Satisfaction

If buyers are not satisfied for any reason after speaking with Level 3 Tech Support and/or our Customer Service team,
all original buyers may escalate dispute resolutions to our CTO for review. We aim to put our customers first, resolve
any issues, and ensure that all customers are happy with their purchase from BigBattery.

Rev. March 2023

Warranty Details

10-Year Repair/Replacement Warranty Coverage Details: BigBattery, Inc. warrants the covered product to be free of all defects in material and workmanship for 10 years from the auto-registered date of purchase. This Warranty extends to the original buyer for the duration of 10 years.

All BigBattery batteries are designed to operate for a minimum of 10 years and require zero maintenance. Some BigBattery batteries can last up to 22 years depending on model, use case, and environmental variables.

BigBattery batteries are also guaranteed to hold a reasonable amount of capacity based on the time in service (see exclusion for details on limits). In the case of a diminished capacity claim, the customer has the option to return the battery to BigBattery for capacity testing. The battery will be fully bench tested to resolve the claim and a relevant full cycle test report will be provided to the customer. If the customer is deemed to be correct and the battery is diminished beyond the limits specified in the exclusion section, then the battery will be eligible for warranty resolution. The customer will not be responsible for the costs associated with testing regardless of the test results.

Within our 10-Year Warranty, BigBattery, Inc. will repair or replace, free of charge, any part proving defective in material or workmanship. All warranty repairs and service must be performed by an authorized BigBattery, Inc. technician, or at an authorized BigBattery, Inc. service facility (unless directed otherwise in writing by a BigBattery employee).

For the first year, the expenses related to returning and repairing a defective part assumed by BigBattery, Inc. within the Continental US include pickup, return shipping, repair, replacement and final shipping. This Warranty does not assume responsibility for disconnection, service interruption, or re-packing expenses per said return shipment. Customers with international warranty claims will need to cover the cost of shipping.

Warranty Exclusions

This warranty does not apply to any costs, repairs, or services for the following:

On-site service calls from 3rd party.
Damage resulting from misuse, abuse, accidents, alterations, use other than intended application, collision,
dropping, or improper installation.
Product was used out of specification, or undersized for the application.
Environmental damage, including caustic substances, salty, or outdoor exposure unless the battery is specifically
indicated to be for outdoor use on the Product Label or in the Specification Sheet or the Product Manual.
Claims of diminished capacity of less than 12% in the first 5 years, or 25% from year 6 to the 10 year warranty period.
Corrective work necessitated by repairs made by anyone other than a BigBattery, authorized service technician
– if not previously advised by BigBattery Tech Support.
Battery that has not been charged over a six month Batteries need to be charged regularly to maximize and
maintain lifespan.
Warranty will be void if battery is opened, disassembled, or improperly altered, unless explicitly directed by
BigBattery for technical support.

Warranty Repair/Replacement Services

Contact BigBattery Tech Support, confirm the problem, and identify the solution with our team. If the battery needs to come back to BigBattery for repairs or parts replacement, Customer Service will offer to arrange to and from our repair facility.

The buyer is required to pack the product according to the directions provided by Customer Service. The buyer should carefully cover and pack the battery needing repair, preferably in the original packing materials, in the same format as previously delivered (box/pallet) together with a copy of the original purchase receipt. Please write descriptions and updated notes on the receipt to better assist Tech Support in processing your repair or replacement.

All emails, notes, and calls are saved to assist our team in providing a speedy resolution. If the shipping is arranged by BigBattery, BigBattery assumes all liability with their scheduled carrier for the safe transportation of this battery to and from our repair facility listed below:

Return Address:
BigBattery, Inc.
21314 Lassen Street
Chatsworth, CA. 91311

Return Packing Instructions

Customer must take pictures of the product(s) being returned prior to packing and email these pictures to Sales@BigBattery.com
prior to returning. Based on your pictures, BigBattery will be able to hold the logistics provider responsible for any potential damages
that could occur when the product is in transit.

Please safely pack your returned battery. Logistics carriers do NOT accept liability for unsafely packed batteries during transit.
To eliminate damage in transit, please use the original box and foam inserts provided. If the original packing is not available,
please pack your product in the same safe & secure format in which it was received via box/pallet for safe delivery to our repair center.
BigBattery assumes full responsibility to return your repaired and/or replaced batteries back to you. Transit will occur between your
physical address and our authorized service center located at 21314 Lassen St. Chatsworth, CA 91311.

Legal

This warranty shall be governed by and interpreted in accordance with the laws of the state of California. No employee or
representative of the manufacturer is authorized to provide any warranty in addition to those made in this agreement.

Rev. April 2023

Shipping Policy

Double-Check Your Address

To ensure that your package is properly delivered and that you receive your package within the time frames we advertise, please
make sure that your address is correctly entered and includes all relevant and/or required information. The use of correct
abbreviations, street numbers, building or apartment numbers, and route information (if applicable) is critical for ensuring
timely delivery. We do not take responsibility for lost, misplaced, or incorrectly delivered shipments if the address information
provided is incorrec

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