The HUSKY 2 Lithium Marine Battery is our most energy-dense 12V solution to date, designed to power your adventures no matter how far they take you. From its Tier 1 LFP cells to its generous operating parameters and wide temperature range, this battery redefines versatility and durability when it comes to lithium power storage. But that’s not all…

The HUSKY 2 Lithium Marine Battery comes with state-of-the-art features to enhance the safety and visibility of your power. Not only is it housed in an IP65-rated casing, and equipped with an advanced BMS capable of auto-balancing cells, but it also boasts a self-heating function to ensure you have reliable power through every winter excursion. Plus, the HUSKY 2 features full CANBus and RS485 communication protocols so you can always monitor the status and performance of your power.

Our HUSKY 2 Lithium Marine Battery Kit was designed to serve as a plug-and-play solution for your adventure vehicles and aquatic vessels, and comes with all cables and components included for a quick and easy installation, all while requiring zero maintenance. Equipped with the HUSKY 2, you’ll be powered and prepared to hit the road, or the water, worry-free every time. Shop the all-new 12V HUSKY 2 Kit today.

Included:

• 2 × 12V HUSKY 2 INV - FHSKY-12051-G2-INV

• 1 × 4AWG (Black and Red) 21 inches Ring to Ring Terminal Cable - CBL092

Specifications:

• System Voltage: 12V

• Nominal Voltage: 12.8V

• Chemistry: LiFePO4

• $\text{kWh Capacity}$: $5.12\text{kWh}$

• $\text{Ah Capacity}$: $400\text{Ah}$

• Charging Voltage Range: $13.9\text{V}–14\text{V}$

• Max Charge Voltage: $14.4\text{V}$

• Operating Voltage Range: $12\text{V}–14.4\text{V}$

• Suggested Low Voltage Cutoff: $12\text{V}–12.7\text{V}$

• BMS Cutoff Range: $10.5\text{V}–11.75\text{V}$

• Cell Configuration: 4S

• Max Continuous Discharge Current: $300\text{A}$

• Max Continuous Power: $5120\text{W}$

• Max Discharge Peak Current: $350\text{A}$ (Max 5 seconds)

• Max Charge Current: $200\text{A}$

• 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: $95\text{lb}$ ($43.1\text{kg}$)

• Depth: $12.6\text{in}$ ($320\text{mm}$)

• Width: $18.1\text{in}$ ($460\text{mm}$)

• Height: $9.8\text{in}$ ($249\text{mm}$)

• Max Connections: Up to (16) Parallel

• Protection Rating: IP65 / NEMA 4X

• Communications: CANBus / RS485

• Self-Heating: Yes

Warranty

BigBattery marine lithium batteries are backed by a 12-year warranty, giving you reliable long-term performance and confidence in every charge. Designed for durability and engineered to last, our batteries are built to power your setup for over a decade.