Dyness BX51100 5.12 kWh Lithium Battery – Safe, Scalable, and Efficient
Dyness BX51100 5.12KWH Battery
The Dyness BX51100 5.12 kWh Lithium Battery is a compact, reliable, and scalable energy storage solution designed for modern residential, light commercial, and off-grid solar systems. Built with advanced LiFePO4 (lithium iron phosphate) technology, this battery delivers safe, long-lasting, and efficient energy storage to help you maximize solar self-consumption, reduce grid dependency, and provide backup power when you need it.
Key Features
- Nominal Capacity: 5.12 kWh at 51.2 V, ideal for medium-sized solar installations.
- High Cycle Life: ≥6,000 charge-discharge cycles, offering reliable long-term performance.
- Depth of Discharge (DOD): 90%, giving more usable energy per charge.
- Flexible Installation: Wall-mounted, floor-standing, or stackable for easy integration into any space.
- Scalable Design: Connect up to 30 units in parallel for larger energy storage needs.
- Intelligent BMS: Monitors voltage, temperature, and state of charge for safety and optimal performance.
- High Efficiency: Minimal energy loss for maximum utilization of stored power.
- Communication Protocols: CAN/RS485/RS232 for seamless integration with compatible inverters.
- Certifications: UN38.3, CE-EMC, IEC62619, IEC60730, GOST-R
Why Choose Dyness BX51100?
1. Safe & Reliable
The LiFePO4 chemistry ensures superior thermal stability and a very low risk of overheating or fire. The intelligent Battery Management System (BMS) keeps your battery balanced, safe, and performing optimally over time.
2. Scalable & Future-Ready
Start with a single 5.12 kWh module and easily expand up to 153 kWh by connecting multiple units in parallel. Perfect for growing households or businesses with increasing energy demands.
3. Flexible & Space-Saving
The battery’s compact design allows for wall-mounted, floor-standing, or stacked installations, making it ideal for homes or small commercial spaces with limited room.
4. Efficient & Cost-Saving
High round-trip efficiency ensures that more of your stored energy is available when you need it, reducing electricity costs and improving solar self-consumption.
5. Reliable Backup Power
With 5.12 kWh of usable energy, the BX51100 can power essential household loads or small business appliances during grid outages, giving you peace of mind and energy independence.
Dyness BX51100 5.12KWH Battery
Technical Specifications
| Specification | Details |
|---|---|
| Battery Type | LiFePO4 |
| Nominal Energy | 5.12 kWh |
| Nominal Capacity | 100 Ah |
| Nominal Voltage | 51.2 V |
| Operating Voltage | 44.8–57.6 V |
| Recommended C Rate | 0.5C |
| Recommended Charge/Discharge Current | 50 A |
| Max Charge/Discharge Current | 75 A |
| Peak Current (15s) | 100 A |
| Depth of Discharge | 90% |
| Weight | 50 kg |
| Dimensions (W × D × H) | 558 × 545 × 150 mm |
| Cycle Life | ≥6,000 cycles |
| Communication | CAN/RS485/RS232 |
| Expansion | Up to 30 units in parallel |
| Protection | Overcharge, over-discharge, over-current, temperature |
| IP Rating | IP20 |
| Certifications | UN38.3, CE-EMC, IEC62619, IEC60730, GOST-R |
The Dyness BX51100 5.12 kWh Lithium Battery is a safe, efficient, and future-ready solution for storing solar energy, powering your home during outages, and scaling your system as your energy needs grow. Its compact design, modular scalability, and intelligent BMS make it a top choice for modern solar-powered homes and small businesses.






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