The Sunsynk W5.3 is a wall-mounted lithium iron phosphate (LiFePO₄) battery designed for residential and commercial solar energy storage. It provides 5.32kWh total capacity and 4.79kWh usable energy per unit, suitable for hybrid and off-grid systems.
The battery operates at a nominal voltage of 51.2V with a rated capacity of 104Ah. It supports parallel connection of up to 32 units, allowing a maximum total capacity of 170kWh. Integrated BMS communication via CAN and RS485 enables system monitoring and control.
The W5.3 includes IP65-rated protection, internal circuit safety features, and LiFePO₄ chemistry designed for stability and extended cycle life. It offers over 6,000 charge cycles at 90% depth of discharge under standard operating conditions.
Specifications
• Total Energy: 5.32kWh
• Usable Energy: 4.79kWh
• Nominal Voltage: 51.2V
• Voltage Range: 45–57.6V
• Battery Type: LiFePO₄
• Rated Capacity: 104Ah
• Cycle Life: >6000 (90% DoD)
• Communication Ports: CAN / RS485
• Parallel Units Supported: Up to 32
• Protection Rating: IP65
• Operating Temperature Range: –10°C to +50°C
• Installation Type: Wall-mounted
• Dimensions: 480 × 620 × 180 mm
• Weight: 47 kg
