Big Battery | 48V HUSKY 2 KIT
SECOND GENERATION POWER STORAGE IS HERE! The 48V HUSKY 2 KIT from BigBattery delivers 5.12kWh of high-performance LiFePO4 power, making it the ultimate solution for golf carts, utility carts, RVs, and camper vans. Built for reliability and efficiency, this compact powerhouse is designed to keep your adventures moving.
Energy-Dense. Adventure-Ready.
As BigBattery's most energy-dense 48V system, the HUSKY 2 is equipped with Tier 1 LFP cells, offering extended cycle life, broad operating parameters, and a wide temperature range. Its integrated thermal management system and advanced Battery Management System (BMS) protect against over/under voltage and over current, ensuring consistent, safe operation.
Rugged, Smart Design
The IP65-rated waterproof casing protects the battery in tough environments, while auto-balancing cells and a self-heating function support reliable cold-weather performance. With CANBus and RS485 communication protocols and a 350A external capacity meter, you can easily monitor system health and power levels.
Easy Installation. Instant Upgrade.
This plug-and-play lithium kit includes all necessary cables, mounting hardware, and a 17A 110V AC charger for fast setup. It’s a drop-in replacement for traditional lead-acid batteries—offering longer life, lighter weight, and improved efficiency.
What's Included
1 × 48V HUSKY 2 - LiFePO4 - 100Ah - 5.12kWh
1 × 48V HUSKY 2 COMM SOC Meter
1 × 48V 110V AC 20A IP65 Blue Charger
Specs and Downloads
Single Battery Tech Specs
| SKU: | FHSKY-48051-G2 |
| System Voltage: | 48V |
| Nominal Voltage: | 51.2V |
| Chemistry: | LiFePO4 |
| kWh Capacity: | 5.12kWh |
| Ah Capacity: | 100Ah |
| Charging Voltage Range: | 55.6 - 57V |
| Max Charge Voltage: | 58.8V |
| Operating Voltage Range: | 48 – 57V |
| Suggested Low Voltage Cutoff: | 48 – 50.8V |
| BMS Cutoff Range: | 42 - 47V |
| Cell Configuration: | 16S |
| Max Continuous Discharge Current: | 150A |
| Recommended Continuous Discharge Current: | 100A |
| Max Continuous Power: | 7500W |
| Recommended Continuous Power: | 4000W |
| Max Discharge Peak Current: | 225A (Max 5 seconds) |
| Max Charge Current: | 100A |
| Charge Temperature Range: | -4°F - 113°F (-20°C - 45°C) |
| Discharge Temperature Range: | -4°F - 122°F (-20°C - 50°C) |
| Optimal Discharge Temperature Range: | 59°F - 95°F (15°C - 35°C) |
| Storage Temperature Range: | -4°F - 122°F (-20°C - 50°C) (Max 6 months) |
| Weight: | 100 lb (45.4 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 (Parallel only) |
| Self-Heating: | Yes |
Spec Sheet
User Manual
Safety Data Sheet
CE Certificate
UN38.3 Certificate
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
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