BigBattery 12V 4X HUSKY 2 Power Kit with AIMS (2000W | 20.48kWh) - K0741

BigBattery 12V 4X HUSKY 2 Power Kit with AIMS (2000W | 20.48kWh) - K0741

This 12V 20.48kWh LiFePO4 HUSKY 2 Kit is the latest and greatest from BigBattery, providing a robust, high-ampacity solution, with unmatched reliability and efficiency, for any RV, camper van, trailer, boat, small yacht, or mobile power setup.

The HUSKY 2 is our most energy-dense 12V solution to date, designed to provide ultimate peace of mind during operation, whether that’s out on the open waters, or while boondocking in the countryside. From its Tier 1 LFP cells to its generous operating parameters, this battery redefines versatility and durability when it comes to lithium power storage, and boasts comprehensive BMS protections against Over/Under Voltage and Over Current statuses, as well as a thermal management system that affords a generous operating temperature range for all you winter warriors.

The HUSKY 2 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, vibration-resistant casing, and equipped with an advanced BMS capable of auto-balancing cells and full CANBus & RS485 communication protocols, but it also boasts an automatic self-heating function which supports cold weather charging, ensuring you have reliable power through every season. But that’s not all.

We pair the 12V HUSKY 2 with a cutting-edge 2000W inverter and charger from AIMS Power. This dual inverter-charger boasts a 300% surge capability, automatic frequency detection, power factor correction, adjustable multi-stage charging, and a built-in AC transfer switch, guaranteeing incredibly low transfer times. When paired with a lithium battery bank, this automatic transfer switch creates seamless transitions between grid, solar, and battery input priorities and serves as an essential component for any mobile or backup power system. This inverter also comes equipped with an integrated low-frequency transformer. This heavy-duty transformer greatly reduces the levels of harmonic distortion during the conversion process, resulting in a cleaner, more efficient delivery of power to the rest of your system, increasing overall system reliability and efficiency, and creating a significantly quieter operating experience. With robust features, setting selectability, and extensive protections, this AIMS inverter is one of the safest, most reliable, most versatile, and most essential inclusions for any energy enthusiast looking to set up or upgrade their power system.

Equipped with the 12V HUSKY 2, you’ll be saving space and weight no matter the application, and you can rest easy knowing you’re powered and prepared day in and day out. Shop the all-new 12V HUSKY 2 & HUSKY 2 Kits today.

What our Experts Think

• Massive 20.48kWh Lithium Power Bank: Featuring four HUSKY 2 LiFePO4 batteries, this kit delivers exceptional runtime for extended off-grid living, RV adventures, marine applications, and backup power systems.
• Premium 2000W Pure Sine Wave Inverter Charger: The included AIMS inverter charger provides clean, utility-grade AC power that's safe for sensitive electronics, appliances, and essential equipment.
• Built for Serious Off-Grid Use: Designed specifically for RVs, camper vans, trailers, boats, yachts, commercial vehicles, and emergency power applications where reliability is critical.
• Advanced Lithium Battery Technology: Tier 1 LiFePO4 cells, intelligent BMS protection, auto-balancing, and CANBus/RS485 communication ensure long-term performance and system safety.
• Cold-Weather Ready: Integrated self-heating technology allows dependable charging and operation in low-temperature environments, making it ideal for year-round use.
• Rugged Mobile Design: IP65-rated, vibration-resistant construction is engineered to withstand harsh road, marine, and outdoor conditions.
• Seamless Power Management: The inverter charger features an automatic transfer switch for smooth transitions between shore power, generator, solar, and battery power sources.
• Expandable System Architecture: Supports large-scale energy storage needs and is designed for users who require substantial power reserves and future scalability.
• Best For: Luxury RVs, off-grid cabins, marine vessels, overlanding rigs, mobile businesses, and homeowners seeking long-duration lithium backup power.

Q&A

Q: What is included in the BigBattery K0741 Power Kit?
A: The kit includes four HUSKY 2 12V 400Ah LiFePO4 batteries, a 2000W AIMS pure sine wave inverter/charger, communication cables, and battery interconnect cables, delivering a total storage capacity of 20.48kWh.

Q: What applications is this power kit designed for?
A: It is ideal for RVs, camper vans, trailers, boats, yachts, mobile power systems, off-grid cabins, and emergency backup power installations.

Q: Why choose the included AIMS 2000W pure sine wave inverter?
A: The inverter delivers clean, utility-grade AC power that is safe for sensitive electronics, appliances, computers, entertainment systems, and other demanding loads.

Q: Does the system support cold-weather operation?
A: Yes. Each HUSKY 2 battery features an automatic self-heating function and advanced thermal management to support reliable charging and operation in low temperatures.

Q: What safety features are included?
A: The batteries feature an advanced Battery Management System (BMS) with over-voltage, under-voltage, over-current, temperature, and cell-balancing protection for safe, dependable performance.

Q: Can the system be monitored and expanded?
A: Yes. The HUSKY 2 batteries support CANBus and RS485 communications, real-time monitoring, and expansion with up to 16 batteries in parallel for larger energy storage systems.

Maintenance Tips 

• Install the system in a clean, dry, and well-ventilated location for optimal performance.
• Inspect battery terminals, cables, fuses, and inverter connections regularly for corrosion, wear, or loose fittings.
• Monitor battery state of charge and system status through available monitoring and communication features.
• Keep inverter cooling vents and fans free from dust and debris to maintain efficient operation.
• Use recommended charging settings for LiFePO4 batteries to maximize battery life and performance.
• Avoid prolonged deep discharges and recharge batteries promptly when needed.
• Verify all mounting hardware and electrical connections remain secure, especially in mobile or off-grid installations.
• Protect batteries and inverter equipment from excessive heat, moisture, and physical impact.
• Disconnect AC and DC power sources before performing maintenance or inspections.