Big Battery 48V HUSKY 2 – LiFePO4 – 100Ah – 5.12kWh - FHSKY-48051-G2
SECOND GENERATION POWER STORAGE IS HERE! The 48V 5.12 kWh LiFePO4 HUSKY 2 is the latest and greatest from BigBattery, providing unmatched reliability and efficiency in your Golf Cart, Utility Cart, RV, & Camper Van applications.
This battery is our most energy-dense 48V solution to date, designed to power your adventures on the course, or on the open road! 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 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 & RS485 communication protocols, so you can always monitor the status of your power. Its hardened shell also provides maximum anti-vibration protection.
Equipped with the HUSKY 2, you’ll be powered and prepared to hit the road worry-free every time. Shop the all-new 48V HUSKY 2 today!
Included
- 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)
What our Experts Think
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Reliable 48 V lithium power — 5.12 kWh capacity with a robust 100 Ah rating delivers dependable energy for 48 V systems like golf carts, utility vehicles, RV/van setups, and off‑grid applications.
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Long life & safer chemistry — LiFePO₄ cells with an advanced battery management system (BMS) provide excellent thermal stability, deep‑cycle durability, and protection against over/under voltage or current — significantly outlasting traditional lead‑acid batteries.
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Strong performance under load — Capable of steady continuous output and solid peak bursts, making it well‑suited for motors, accessories, appliances, and moderate 48 V loads.
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Low maintenance & efficient operation — Lithium technology yields higher usable capacity per cycle with minimal upkeep and lower self‑discharge than lead‑acid alternatives.
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Easy installation & upgrade path — Compact form factor and standard terminals simplify swapping in or upgrading existing 48 V battery banks with minimal reconfiguration.
Q&A
Q: What is the BigBattery 48 V HUSKY 2 LiFePO₄ Battery (FHSKY-48051-G2)?
A: A 48 V lithium-iron-phosphate (LiFePO₄) battery module with 100 Ah capacity (≈ 5.12 kWh), designed as a reliable, maintenance-free replacement or upgrade for 48 V lead-acid battery banks.
Q: What makes this battery stand out?
A: Uses safe, long-lasting LiFePO₄ chemistry with stable power delivery; delivers more usable energy per charge than equivalent lead-acid units; and includes a built-in battery management system (BMS) for protection and cell balancing.
Q: What systems or equipment is it suited for?
A: 48 V golf carts, utility vehicles, UTVs/LSVs, RV house banks, camper vans, food trucks, mobile work vehicles, and other 48 V applications needing dependable lithium power.
Q: What are the advantages over traditional lead-acid batteries?
A: Higher usable energy, lighter weight, maintenance-free operation (no watering), faster charging, stable voltage under load, and significantly longer service life.
Q: How does performance and reliability compare?
A: Consistent voltage output throughout discharge, efficient recharge cycles, minimal self-discharge, and thousands of charge/discharge cycles versus typical lead-acid performance.
Q: Is installation straightforward?
A: Yes — designed for direct integration as a drop-in replacement for existing 48 V systems with standard battery connections.
Q: What safety features are included?
A: Built-in BMS protects against over-voltage, under-voltage, over-current, and thermal extremes while managing cell balancing for safe, reliable operation.
Q: Can this battery be used in mobile or outdoor environments?
A: Yes — it’s rugged, compact, and well-suited to mobile applications like golf carts, RVs, and utility vehicles, though appropriate enclosure/ventilation should be considered based on your environment.
Maintenance Tips
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Install the HUSKY 2 in a cool, dry, well-ventilated space to maintain stable 48V output and maximize LiFePO4 lifespan.
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Inspect terminals, wiring, and connectors regularly for looseness, corrosion, or wear to ensure safe and reliable operation.
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Wipe the battery casing with a soft, dry cloth to remove dust and support proper heat dissipation.
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Protect the battery from direct sunlight, moisture, vibration, and extreme temperatures to preserve cell health and efficiency.
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Avoid deep discharges and keep SOC within recommended levels to maintain long-term capacity.
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For long-term storage, maintain 50–60% charge, disconnect all loads, and store in a controlled indoor environment.
