
Big Battery | 12V HUSKY 2 – LiFePO4 – 400Ah – 5.12kWh
Overview
SECOND GENERATION POWER STORAGE IS HERE!
The 12V 5.12kWh LiFePO4 HUSKY 2 is BigBattery’s latest innovation, offering a high-amperage, reliable solution for your RV, camper van, and marine needs.
This battery is our most advanced 12V model yet, delivering the power and durability needed for your adventures. With Tier 1 LFP cells, a generous 400Ah capacity, and a wide temperature range, the HUSKY 2 excels in both performance and versatility.
It also features an IP65-rated, vibration-resistant enclosure and a state-of-the-art BMS with auto-balancing, ensuring long-lasting reliability. Additionally, the self-heating function ensures optimal performance even in cold conditions. Stay in control with full CANBus & RS485 communication protocols for easy monitoring of your power system.
Whether you're hitting the road or water, the HUSKY 2 guarantees dependable power for every journey.
Shop the all-new 12V HUSKY 2 today!
What's Included
- 1 x 12V HUSKY 2 LiFePO4 – 400Ah – 5.12kWh
- 2 × HUSKY 2 Carrying Handle
- 2 × L Mounting Bracket
- 2 × M8 Screws
- 1 × Red & Black Terminal Rubber Cover
- 1 × 2AWG 3FT Red & Black Ring to Ring Terminal Cables (CBL086)
Specs and Downloads
Are Solar Guys Pro Authorized Retailers?
Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!
When Will My Order Ship?
Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
Do We Accept Returns?
Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE
Are Products Brand New?
Yes! All products on Solar Guys Pro are 100% brand-new and in perfect condition.
We do not sell any used or refurbished items.

Orders over $500 include a FREE (Normally $149.99) 80-Page DIY Solar eBook — added automatically at checkout.
Frequently Asked Questions

Get your 30% Tax Solar Credit!
Unlock substantial savings with the government's Solar Tax Credit, which offers a robust 30% deduction on the installation costs of solar systems. This attractive incentive is your ticket to leveraging solar energy's eco-friendly potential while enjoying the financial benefits.
At Solar Guys Pro, our commitment is to you. Please be reminded that our expertise does not extend to tax advice. Nonetheless, our dedicated staff is eager to guide you through the process and ensure you capitalize on this exceptional offer.
Contact us now to learn more!