BigBattery 48V 1X HUSKY 2 Lithium Battery Kit – 5.12kWh LiFePO₄ Power
Meet the BigBattery 48V 1X HUSKY 2 Kit – the most compact, powerful, and energy-dense 48V LiFePO₄ solution in BigBattery’s lineup. With 5.12kWh of ultra-reliable lithium power, this high-performance kit is purpose-built for golf carts, utility carts, RVs, camper vans, and other 48V mobile power systems.
Powered by Tier 1 lithium iron phosphate (LiFePO₄) cells, the HUSKY 2 offers unbeatable cycle life, fast charging, and high output—all in a rugged, compact form factor. This PWR (High Power) variation skips inverter communication protocols, making it ideal for simplified installations focused on raw, dependable power.
Designed as a drop-in lead-acid replacement, the HUSKY 2 Kit comes ready to install with everything you need: mounting brackets, cables, an external CANBus State of Charge (SOC) meter, and a 48V 110V AC 20A IP65-rated charger. Whether you're upgrading a weekend RV or building a road-ready camper van, the HUSKY 2 gives you the freedom to go further, longer—with less weight and more efficiency.
With its IP65-rated enclosure, advanced Battery Management System (BMS), and self-heating functionality, this battery is built to perform in all weather conditions, from cold mountain mornings to hot desert afternoons.
Key Features:
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Battery Capacity: 5.12kWh (48V, 100Ah)
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Voltage: 48V nominal system
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Chemistry: Lithium Iron Phosphate (LiFePO₄)
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Output: High Power PWR version (no inverter communication)
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Protection Rating: IP65 – Water-resistant, dustproof, and vibration-safe
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BMS: Advanced safety system with self-heating & auto cell balancing
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Cycle Life: 4,000+ cycles at 80% depth of discharge
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Installation: Plug-and-play with included components




What's Included:
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1 × 48V HUSKY 2 PWR Battery (FHSKY-48051-G2-PWR)
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1 × HUSKY 2 CANBus SOC Meter (MTR108)
- 1 × 48V 110V AC 20A IP65 Blue Charger (PWS053)
Specifications
Product Specifications
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: |
Spec Sheet |
User Manual: |
User Manual |
Safety Data Sheet: |
Safety Data Sheet |
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