Fronus Solax LD55 51.2V 100Ah Lithium Battery 5.12kWh
The Fronus Solax LD55 51.2V 100Ah Lithium Battery is a high-performance energy storage solution designed for solar systems, hybrid inverters, UPS backup, and residential or commercial power applications. Featuring advanced LiFePO4 (Lithium Iron Phosphate) technology, it delivers 5.12kWh of rated energy storage, reliable performance, and a long service life.
Equipped with an intelligent Battery Management System (BMS), the Fronus Solax LD55 helps protect the battery against overvoltage, undervoltage, overcurrent, overheating, and short circuits. Its CAN and RS485 communication interfaces support integration with compatible hybrid inverters and energy storage systems.
With a rated capacity of 100Ah, a stated cycle life of 6,000+ cycles at 80% depth of discharge (DOD), and maintenance-free operation, this lithium battery is a practical choice for dependable solar energy storage and backup power.
Key Features
- 5.12kWh Energy Storage: 51.2V nominal voltage and 100Ah rated capacity.
- LiFePO4 Battery Technology: Lithium iron phosphate chemistry designed for stable and durable energy storage.
- 6,000+ Cycle Life: Rated for 6,000+ cycles at 80% DOD, according to the supplied specifications.
- Intelligent BMS Protection: Helps protect against overvoltage, undervoltage, overcurrent, overheating, and short circuits.
- High Efficiency: Specified round-trip efficiency of 95% or higher.
- CAN / RS485 Communication: Supports communication with compatible solar inverters.
- Parallel Connection Support: Allows system expansion where supported by the battery manufacturer.
- Solar and UPS Applications: Suitable for compatible hybrid and off-grid solar systems and backup power setups.
- Maintenance-Free Operation: No routine acid or electrolyte servicing required.
- Compact Design: Approximate dimensions of 485 × 430 × 180 mm.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Fronus Solax |
| Model | LD55 |
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Nominal Voltage | 51.2V |
| Rated Capacity | 100Ah |
| Energy Storage | 5.12kWh (5,120Wh) |
| Cycle Life | 6,000+ cycles at 80% DOD |
| Round-Trip Efficiency | ≥95% |
| Operating Voltage Range | 45V–57V |
| Communication | CAN / RS485 |
| Battery Protection | Built-in BMS |
| Dimensions | Approx. 485 × 430 × 180 mm |
| Weight | Approx. 45–52kg |
| Warranty | Confirm warranty terms with the seller |
Applications
- Residential solar energy storage systems
- Commercial solar and backup power systems
- Compatible hybrid and off-grid solar inverters
- UPS backup applications
- Telecom and IT backup systems
- Energy storage systems requiring a compatible 51.2V lithium battery
Buy Fronus Solax LD55 Lithium Battery in Pakistan
Looking for a Fronus Solax 5.12kWh lithium battery in Pakistan? Contact Shahrukh Solar House for the latest price, availability, inverter compatibility, and warranty details.
Choose a dependable energy storage solution for your solar and backup power requirements.

