BigBattery 48V HUSKY 2 PWR Lithium Battery – 5.12kWh LiFePO₄ Power
The HUSKY 2 PWR is BigBattery’s most energy-dense 48V LiFePO₄ solution—delivering a powerful 5.12kWh of clean, reliable energy in a compact footprint. Designed for high-demand applications such as golf carts, RVs, camper vans, and mobile power systems, the HUSKY 2 PWR provides exceptional runtime, performance, and longevity in every environment.
This PWR (High Power) version is engineered for maximum output and efficiency but does not include inverter communication protocols—making it ideal for users who prioritize raw power without integrated inverter syncing. Built with Tier 1 lithium iron phosphate (LFP) cells, the HUSKY 2 PWR is backed by a rugged IP65-rated enclosure, making it water-resistant, dustproof, and ready for road, trail, or off-grid use.
Equipped with an advanced Battery Management System (BMS) and self-heating functionality, the HUSKY 2 PWR performs reliably in extreme weather conditions—charging safely even in freezing temperatures. Whether you’re upgrading a vehicle, powering an adventure rig, or adding to a mobile energy system, the HUSKY 2 PWR is your go-to solution for high-performance, maintenance-free lithium power.
Key Features:
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Battery Capacity: 5.12kWh (48V, 100Ah)
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Voltage: 48V nominal
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Chemistry: Lithium Iron Phosphate (LiFePO₄)
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Output: High Power PWR configuration (no inverter communication)
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Enclosure: IP65-rated, durable and water-resistant
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BMS: Advanced system with cell balancing & built-in self-heating
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Cell Type: Tier 1 LFP for maximum safety and longevity
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Cycle Life: 4,000+ cycles at 80% depth of discharge





What’s Included:
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2 × HUSKY 2 Carrying Handles
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2 × L Mounting Brackets
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2 × M8 Screws
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1 × Red & Black Terminal Rubber Cover
- 1 × 2AWG 3FT Red & Black Ring to Ring Terminal Cables (CBL086)
Specifications
Product Specifications
SKU: |
FHSKY-48051-G2 |
GTIN-12 (U.P.C.): |
850061252296 |
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: |
Spec Sheet |
User Manual: |
User Manual |
Safety Data Sheet: |
Safety Data |
CE Certificate: |
CE Certificate |
UN38.3 Certificate: |
UN38.3 Certificate |
Why Buy From Us
Why Buy From Ecogrid Supply?
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Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products with full manufacturer warranties.
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Expert Energy Guidance: Our solar and backup energy specialists are ready to help you with design, planning, product questions, and installation tips.
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Built for Energy Independence: Whether you’re powering a cabin, prepping for emergencies, or going off-grid, our products are selected for performance, reliability, and sustainable operation.
Buying Guide