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Big Battery 48V HUSKY 2 - LiFePO4 - 100Ah - 5.12kWh Batteries Big Battery

Big Battery 48V HUSKY 2 - LiFePO4 - 100Ah - 5.12kWh

BY: Big Battery | SKU: FHSKY-48051-G2 Availability: In Stock
$2,050.00

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Big Battery 48V HUSKY 2 - LiFePO4 - 100Ah - 5.12kWh

The BigBattery 48V HUSKY 2 is a compact, high-performance energy storage solution built for solar systems, off-grid cabins, backup power, and electric vehicles. Delivering 5.12kWh of reliable lithium power and 100Ah capacity, this battery uses Tier 1 LiFePO4 cells, integrated Smart BMS protection, and is rated for 6,000+ cycles at 80% DoD. Whether you're upgrading from lead-acid or building a custom energy system, the HUSKY 2 provides powerful performance with zero maintenance and a 10-year lifespan.

BigBattery 48V HUSKY 2 – LiFePO4 – 100Ah – 5.12kWh Features

High Energy Output – Delivers 5.12kWh of energy at 48V, ideal for large appliances, off-grid systems, and high-load devices.

Long-Lasting LiFePO4 Cells – Built with Tier 1 lithium iron phosphate chemistry, offering 6,000+ cycles at 80% Depth of Discharge (DoD).

Smart Battery Management System (BMS) – Monitors and protects against overcharge, over-discharge, short circuit, and thermal events.

Compact & Powerful – Packs high capacity into a space-saving design that’s easy to integrate into your home or mobile setup.

Fast Discharge Capability – Supports a continuous discharge rate of 100A, powering demanding inverters and devices with ease.

No Maintenance Required – No watering, no venting, and no acid—just clean, efficient, plug-and-play power.

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BigBattery 48V HUSKY 2 – LiFePO4 – 100Ah – 5.12kWh Applications

  • Residential Solar Storage – Store excess solar power for night use or grid outages.
  • Off-Grid Cabins & Tiny Homes – Power lights, appliances, and tools completely off-grid.
  • RV & Van Conversions – High-capacity energy for off-grid living and travel.
  • Commercial Backup Systems – Provide energy security for offices, workstations, or tools.
  • Home Emergency Power – Maintain essential devices and appliances during outages.
  • Electric Vehicles & Conversions – Upgrade your EV or DIY build with reliable lithium power.
  • Lead-Acid Replacement – Modern, low-maintenance alternative with more power and longevity
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What's Included

Everything you need is included with your product.

  • 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)
  • User Manual

BigBattery 48V HUSKY 2 – LiFePO4 – 100Ah – 5.12kWh Specifications

Category Specifications
SKU FHSKY-48051-G2
UPC 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

BigBattery 48V HUSKY 2 – LiFePO4 – 100Ah – 5.12kWh Videos

Frequently-Asked Questions

Can I use this battery with my 48V solar inverter?

Yes. The HUSKY 2 is fully compatible with most 48V inverters and charge controllers. Make sure your system supports lithium battery charging profiles.

Can I connect multiple HUSKY 2 units together?

Absolutely. You can connect in parallel for more capacity or consult BigBattery for advanced configurations.

Is this a good lead-acid battery replacement?

Yes. It’s a drop-in lithium upgrade offering longer lifespan, higher efficiency, and no maintenance.

Is the battery weatherproof?

Yes. With an IP65 rating, it's protected against dust and low-pressure water spray. Great for outdoor or semi-exposed installations.

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