Deye SE-G5.1 & SE-G5.3 Lithium Iron Phosphate (LiFePO4) Batteries
Advanced Energy Storage for Residential and Commercial Applications
Uncompromising Performance & Reliability
The Deye SE-G5.1 Pro (5.12 kWh) and SE-G5.3 (5.32 kWh) represent the next generation of LiFePO4 energy storage solutions, combining industry-leading safety, longevity, and adaptability. Designed for seamless integration into solar and hybrid power systems, these batteries deliver high energy density, rapid charge/discharge cycles, and scalable capacity—perfect for maximizing self-consumption and reducing grid dependence.
Key Specifications
Parameter SE-G5.1 Pro SE-G5.3
Nominal Capacity 100Ah (51.2V) 104Ah (51.2V)
Usable Energy 5.12 kWh 5.32 kWh
Depth of Discharge 90% (Recommended) 90% (Recommended)
Cycle Life 6,000+ cycles at 90% DoD 6,000+ cycles at 90% DoD
Warranty 10 years 5 years
Scalability Up to 64 units in parallel (655+ kWh total)
Voltage & Current:
Operating Range: 43.2V–54.6V
Continuous Current: 50A (100A peak for 10s)
Design & Durability:
IP Rating: IP65 (Dustproof and water-resistant)
Temperature Range:
Charging: 0°C to 55°C (with optional heating)
Discharging: -20°C to 55°C
Dimensions: 440×133×560mm (SE-G5.1 Pro) / 440×133×580mm (SE-G5.3)
Weight: 45kg (SE-G5.1 Pro) / 44kg (SE-G5.3)
Why Choose Deye SE-G5 Series?
Safety First:
LiFePO4 chemistry with built-in Intelligent BMS for overcharge/over-discharge protection.
Certifications: UN 38.3, CE, IEC 62619 compliant.
High Efficiency:
90% Depth of Discharge (DoD) with minimal degradation.
Supports 0.5C continuous charge/discharge for demanding applications.
Flexible Installation:
Rack-mounted, wall-mounted, or floor-standing configurations.
Plug-and-play parallel connection (up to 64 units) with mixed SOC support.
Smart Monitoring:
CAN 2.0 & RS485 communication for real-time data tracking.
Remote firmware updates via USB or network.
Eco-Friendly:
Zero emissions, recyclable materials, and RoHS-compliant design.
Applications
Residential solar storage
Commercial backup power
Off-grid and hybrid systems
Microgrids and energy arbitrage
