Skip to content
Free Shipping + Tax Exempt (Exceptions may apply) | Unbeatable Prices Guaranteed - $100 OFF at CHECKOUT
Free Shipping + Tax Exempt (Exceptions may apply) | Lowest Prices Guaranteed

BigBattery 12V HUSKY 2 – LiFePO4 – 400Ah – 5.12kWh

SKU FHSKY-12051-G2
Save 13% Save 13%
Original price $2,360.00
Original price $2,360.00 - Original price $2,360.00
Original price $2,360.00
Current price $2,050.00
$2,050.00 - $2,050.00
Current price $2,050.00

In Stock & Ready to Ship

Orders ship in 1-2 business days with a 4-7 day ETA*. Returns are accepted within 30 days. View Policy Here. *Exclusions may apply

Price Match Guarantee at OffGrid Lux

At OffGrid Lux, we're committed to offering you the best prices online. That's why we have a Price Match Guarantee in place. If you find a lower price for the same product elsewhere, we'll match or beat it to ensure you get the best value.

For full details on our Price Match Guarantee, including eligibility criteria and how to request a price match, please click here to view our complete policy.

Shipping & Order Policy at OffGrid Lux

When you place an order, we confirm stock availability before charging your card. Orders typically process within 1-2 business days, and shipping is fast—most orders arrive within 4-7 days. We use reliable third-party carriers and provide tracking information promptly.

For more details, click here to view our full Shipping Policy.

Refunds & Returns at OffGrid Lux

We're committed to your happiness with every purchase. Need assistance? Just reach out. You have 30 days from delivery to return items in their original condition. We process refunds promptly, usually within 3 business days of receiving your return.

For more info, check out our full Returns & Refunds Policy here.

BigBattery 12V HUSKY 2 – LiFePO4 – 400Ah – 5.12kWh

The BigBattery 12V HUSKY 2 is the latest high-amperage LiFePO4 battery designed to deliver unmatched reliability, efficiency, and power for your RV, camper van, and marine adventures. With a robust 400Ah capacity and 5.12kWh energy storage, this advanced 12V solution is engineered to keep you powered through every journey, no matter how far or demanding.

Why Choose BigBattery HUSKY 2?

The BigBattery 12V HUSKY 2 stands out as a cutting-edge lithium battery solution built for durability, reliability, and versatility. Whether powering your off-grid lifestyle in a camper van, fueling marine excursions, or providing dependable energy in RV applications, the HUSKY 2 delivers consistent performance with advanced safety and monitoring technology. Its rugged design and innovative features ensure worry-free power wherever your adventures take you.

Key Features

  • Battery Type: LiFePO4 (Lithium Iron Phosphate)

  • Voltage: 12V

  • Capacity: 400Ah

  • Energy: 5.12kWh

  • Communication Protocols: CANBus & RS485

  • Operating Temperature: Wide range with self-heating function

  • Protection: IP65-rated, vibration-resistant casing

  • Battery Management System: Advanced BMS with auto-balancing cells

  • Ideal For: RVs, camper vans, marine applications

Benefits and Advantages

  • Reliable High-Amperage Power: Designed for demanding off-grid power needs, the HUSKY 2 supports heavy loads for extended periods.

  • Durable and Weather-Resistant: IP65 rating and vibration-resistant housing protect the battery in harsh environments and on the move.

  • Advanced Safety Features: Equipped with a state-of-the-art BMS for cell balancing and safe operation.

  • Self-Heating Function: Maintains battery performance in cold weather, ensuring consistent power even in winter excursions.

  • Seamless Monitoring: Full CANBus and RS485 communication allow real-time monitoring of battery status and performance.

  • Versatile Use: Perfect for RVs, marine craft, camper vans, and any 12V lithium power storage needs.

 Specifications

 

Tech Specs

SKU: FHSKY-12051-G2
System Voltage: 12V
Nominal Voltage: 12.8V
Chemistry: LiFePO4
kWh Capacity: 5.12kWh
Ah Capacity: 400Ah
Charging Voltage Range: 13.9V – 14V
Max Charge Voltage: 14.4V
Operating Voltage Range: 12V – 14.4V
Suggested Low Voltage Cutoff: 12V – 12.7V
BMS Cutoff Range: 10.5V – 11.75V
Cell Configuration: 4S
Max Continuous Discharge Current: 300A
Max Continuous Power: 5120W
Max Discharge Peak Current: 350A (Max 5 seconds)
Max Charge Current: 200A
Charge Temperature Range: -4°F – 113°F (-20°C – 45°C)
Discharge Temperature Range: -4°F – 131°F (-20°C – 55°C)
Optimal Discharge Temperature Range: 59°F – 95°F (15°C – 35°C)
Storage Temperature Range: -4°F – 113°F (-20°C – 45°C) (Max 6 months)
Weight: 95 lb (43.1 kg)
Depth: 12.6 in (320 mm)
Width: 18.1 in (460 mm)
Height: 9.8 in (249 mm)
Max Connections: Up to (16) Parallel
Protection Rating: IP65 / NEMA 4X
Communications: CANBus / RS485
Self-Heating: Yes

Product Manual

BigBattery 12V HUSKY 2 – LiFePO4 – 400Ah – 5.12kWh Product manual

Product Warranty

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:

  1. On-site service calls from 3rd party.
  2. Damage resulting from misuse, abuse, accidents, alterations, use other than intended application, collision,
    dropping, or improper installation.
  3. Product was used out of specification, or undersized for the application.
  4. 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.
  5. Claims of diminished capacity of less than 12% in the first 5 years, or 25% from year 6 to the 10 year warranty period.
  6. Corrective work necessitated by repairs made by anyone other than a BigBattery, authorized service technician
     – if not previously advised by BigBattery Tech Support.
  7. Battery that has not been charged over a six month Batteries need to be charged regularly to maximize and
    maintain lifespan.
  8. 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

FAQs

BigBattery Frequently Ask Questions

Q1. Can your batteries be used in series?

A1. We no longer offer our batteries for use in series.

Q2. Do your batteries have a thermal management system?

A2. All of our batteries have a thermal management system that is controlled by the BMS (Battery Management System). This Thermal management system will not only prevent the battery from being used if the temperature is too high, but also if the temperature is also too low.

Free Shipping & No Tax to the United States

Enjoy Free Shipping on Orders Over $200. No Sales Tax (Excludes WY).

in stock and ready to ship

Shop High-Quality Items in Stock
Get Free 30-Day Returns if Unsatisfied.

Guaranteed Lowest Prices

Rest assured, we offer the lowest prices available. Explore our Price Match Policy for unbeatable savings.

Excellent Customer Service

Questions? Give us a call +1(307) 248-722

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare
Clicky