Sunsynk X-Series 5.12 kWh 51.2 V Lithium Battery
The Sunsynk X-Series 5.12 kWh battery is a compact, high-performance energy-storage solution designed for residential and light commercial solar installations.
Using safe and reliable LiFePO₄ battery technology, it provides 5.12 kWh of nominal storage capacity and up to 4.864 kWh of usable energy at a 95% depth of discharge.
The battery features a slim, IP65-rated enclosure suitable for wall-mounted or floor-standing installation. It supports CAN and RS485 communication for integration with compatible Sunsynk and other approved low-voltage hybrid inverters.
Key Features
5.12 kWh nominal energy capacity
Up to 4.864 kWh usable capacity
51.2 V low-voltage battery system
100 Ah nominal battery capacity
Safe LiFePO₄ battery chemistry
95% depth of discharge
1C maximum discharge capability
Maximum charge current of 50 A
Maximum discharge current of 100 A
More than 6,000 battery cycles
CAN and RS485 inverter communication
Optional Wi-Fi connectivity
IP65-rated enclosure
Wall-mounted or floor-standing installation
Expandable up to eight batteries in parallel
Integrated battery management system
10-year product warranty
Advanced Battery Protection
The integrated battery management system continuously monitors and protects the battery against:
Overcharging
Excessive discharge
Overcurrent
Short circuits
High temperatures
Low temperatures
Cell-voltage imbalance
Expandable Energy Storage
The Sunsynk X-Series battery can be expanded by connecting multiple compatible units in parallel.
Recommended configuration: Up to 3 batteries
Maximum configuration: Up to 8 batteries
Maximum combined nominal capacity: 40.96 kWh
Technical Specifications
Model: Sunsynk X-Series 5.12 kWh
Battery Chemistry: LiFePO₄
Nominal Energy: 5.12 kWh
Usable Energy: Up to 4.864 kWh
Nominal Capacity: 100 Ah
Rated Voltage: 51.2 V DC
Operating Voltage Range: 43.2–57.6 V DC
Maximum Charge Current: 50 A
Maximum Discharge Current: 100 A
Depth of Discharge: 95%
Communication: RS485 and CAN
Optional Communication: Wi-Fi
Cycle Life: More than 6,000 cycles at 25°C and 0.5C
Physical Specifications
Dimensions: 420 × 140 × 650 mm
Weight: 45 kg
Protection Rating: IP65
Protection Class: Class I
Installation: Wall-mounted or floor-standing
Operating Conditions
Charging Temperature: −10°C to 50°C
Discharging Temperature: −20°C to 50°C
Operating Humidity: 5% to 95% RH, non-condensing
Maximum Operating Altitude: Below 2,000 metres
Certifications
IEC 62619
CE
UN38.3
RoHS
Warranty
The Sunsynk X-Series battery includes a 10-year product warranty, subject to the manufacturer’s registration, approved installation, operating conditions and warranty terms.
Professional installation by a qualified solar installer or electrician is recommended. Inverter compatibility and the required battery communication cable must be confirmed before installation.