Description
BigBattery Husky 2 – 48 V 100 Ah 5.12 kWh LiFePO₄ Battery
Available in Two Versions: High Power & Inverter Communication Models
The BigBattery Husky 2 (48 V 100 Ah 5.12 kWh) is a high-performance lithium iron phosphate (LiFePO₄) battery system designed for demanding off-grid, mobile, and renewable energy applications. Built for safety, longevity, and efficiency, this system is offered in two specialized versions to match your power needs—High Power for maximum discharge capability and Inverter for advanced communication and integration.
Key Features
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Two Model Options:
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High Power Version – Engineered for high-current discharge applications such as heavy-load inverters and EVs.
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Inverter Version – Designed with CANBus/RS485 communication for direct inverter control and smart energy management.
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LiFePO₄ Cell Chemistry: Delivers superior thermal stability, high safety margin, and over 4,000 cycle lifespan.
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Self-Heating System: Enables safe operation and charging even in cold conditions.
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Rugged Design: IP65/NEMA 4X-rated enclosure suitable for outdoor and mobile installation.
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Smart BMS Protection: Integrated Battery Management System safeguards against over-voltage, under-voltage, over-current, and temperature faults.
Product Overview
The Husky 2 48 V series represents BigBattery’s benchmark in lithium performance, combining dependable power output with exceptional lifecycle durability. Each unit provides 5.12 kWh of usable energy and supports heavy continuous loads while maintaining stable voltage and efficiency.
The High Power Version focuses on maximum current delivery for systems requiring continuous heavy draw — ideal for off-grid solar banks, RVs, and marine propulsion. The Inverter Version features integrated CANBus and RS485 interfaces, enabling real-time monitoring and communication with compatible inverter systems for smart control and load balancing.
Both versions incorporate LiFePO₄ cells known for long cycle life, high discharge tolerance, and excellent thermal performance. The internal BMS continuously monitors every cell, ensuring safe and balanced operation under any load.
Technical Specifications
| Specification | High Power Version | Inverter Version |
|---|---|---|
| Nominal Voltage | 51.2 V | 51.2 V |
| System Voltage | 48 V | 48 V |
| Rated Capacity | 100 Ah | 100 Ah |
| Energy Storage | 5.12 kWh | 5.12 kWh |
| Chemistry | LiFePO₄ (Lithium Iron Phosphate) | LiFePO₄ (Lithium Iron Phosphate) |
| Charging Voltage Range | 55.6 – 57.0 V | 55.6 – 57.0 V |
| Maximum Charge Voltage | 58.8 V | 58.8 V |
| Operating Voltage Range | 48 – 57 V | 48 – 57 V |
| Suggested Low Voltage Cutoff | 48 – 50.8 V | 48 – 50.8 V |
| BMS Cutoff Range | 42 – 47 V | 42 – 47 V |
| Cell Configuration | 16S | 16S |
| Max Continuous Discharge Current | 150 A | 120 A |
| Recommended Continuous Discharge | 100 A | 100 A |
| Peak Discharge Current (5 s) | 225 A | 180 A |
| Max Charge Current | 100 A | 80 A |
| Round-Trip Efficiency | ≥ 95 % | ≥ 95 % |
| Communication | None | CANBus / RS485 |
| Self-Heating | Yes | Yes |
| Enclosure Rating | IP65 / NEMA 4X | IP65 / NEMA 4X |
| Cycle Life (@ 80 % DoD) | 4,000 – 8,000 cycles | 4,000 – 8,000 cycles |
| Weight | 100 lb (≈ 45.4 kg) | 100 lb (≈ 45.4 kg) |
| Dimensions (D × W × H) | 10.2 × 18.1 × 9.8 in (259 × 460 × 249 mm) | 10.2 × 18.1 × 9.8 in (259 × 460 × 249 mm) |
| Warranty | 10 years | 10 years |
| Certifications | UL9540A, UL1973, UN38.3 | UL9540A, UL1973, UN38.3 |
Included Free in Box
48 V Husky 2 (High Power Version)
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(2) Husky 2 Carrying Handles
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(2) L Mounting Brackets & Cross Module Mounting Plate
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(2) M8 Screws
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(1) Red & Black Terminal Rubber Cover
48 V Husky 2 (Inverter Version)
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(2) Husky 2 Carrying Handles
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(2) L Mounting Brackets & Cross Module Mounting Plate
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(2) M8 Screws
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(1) Red & Black Terminal Rubber Cover
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(1) Inverter Communication Cable (CANBus / RS485)
Applications
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Off-Grid Solar Systems and Home Energy Storage
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RVs and Camper Vans
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Marine and Electric Propulsion Systems
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Golf Carts and Utility Vehicles
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Commercial Backup and UPS Systems
Specs & Info