51.2v205ah

51.2v205ah

Nominal Voltage 51.2V
Operating Voltage Range 44.8V – 57.6V
Capacity 100Ah
Energy 5.12kWh
Charge Voltage 57.6V ± 0.2V
Discharge Cut-off Voltage 44.8V
Standard Charge Current 20A (0.2C)
Max Charge Current 50A (0.5C)
Standard Discharge Current 20A (0.2C)
Max Continuous Discharge Current 50A (0.5C)
Peak Discharge Current 100A (5 seconds)
Charge Temperature 0°C – 55°C
Discharge Temperature -20°C – 55°C
Cycle Life 6,000+ cycles @ 80% DoD
Calendar Life 15+ years
Self-Discharge Rate ≤3% per month
Round-Trip Efficiency ≥95%

V-Link E 51.2V 205Ah LiFePO4 Battery

This battery delivers 10.5kWh of clean, reliable energy storage. With its well-balanced capacity, it is ideal for standard three-bedroom homes and apartments, or as a foundational component for larger systems. Its balanced capacity-to-weight ratio (approx. 85kg) ensures ease of installation while providing sufficient energy to power essential appliances during the night or grid outages.


The BU-ESS-10K-205 utilizes Grade A LiFePO4 cells and an advanced Battery Management System (BMS) to deliver industry-leading safety, longevity, and monitoring capabilities. Integrated CAN/RS485 communication ensures seamless integration with all major hybrid inverters, including Growatt, Deye, Sungrow, SMA, Victron, and GoodWe.


With a lifespan of over 6,000 charge cycles and a 10-year warranty, this battery is designed for homeowners seeking a reliable, long-term energy solution without the maintenance hassles associated with traditional lead-acid systems.


Key Highlights


10.5kWh usable capacity — Ideal for three-bedroom homes and apartments


6,000+ cycles at 80% Depth of Discharge (DoD) — Over 15 years of reliable daily cycling


Grade A LiFePO4 cells — Safest lithium battery chemistry with zero fire risk


Smart BMS and mobile app — Real-time monitoring of State of Charge (SOC), voltage, and temperature


Universal inverter compatibility — Growatt, Deye, Sungrow, SMA, Victron, GoodWe


Supports parallel connection — Connect up to 16 units for scalable capacity


10-year warranty — Comprehensive manufacturer's warranty


Wall-mounted design — Space-saving and professional installation