Sunsynk 5.3kWh 51.2V Battery W Series

Sunsynk 5.3kWh 51.2V Battery W Series

The Sunsynk W5.3 (SUN-W5.3) 5.3kWh 51.2V Lithium Battery is a high-performance, wall-mounted LiFePO₄ energy storage solution ideal for residential and commercial applications. Designed for use with Sunsynk inverters, this battery delivers long life, high power output, and efficient space-saving installation.

🔋 Key Features:

• Nominal Energy: 5.32kWh | Usable Energy: 4.79kWh

• Voltage: 51.2V

• Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)

• Recommended DoD: 90%

• Cycle Life: ≥6000 cycles @ 90% DoD

• 1C Rated with max 100A continuous and 150A peak discharge (2 min)

• Parallel up to 32 units (total 170kWh capacity)

• IP65-rated for indoor or outdoor installations

• Smart BMS with LED indicators for SoC, status, and fault

• Remote monitoring & firmware upgrades supported

• 10-year standard warranty

⚙️ Technical Specifications:

• Operating Voltage: 43.2V – 57.6V

• Recommended Charge/Discharge Current: 50A

• Max Continuous Current: 100A

• Peak Current (2 min): 150A

• Dimensions: 440mm (W) × 620mm (H) × 135mm (D)

• Weight: 46kg

• Mounting: Wall-mount or rack (supports 19-inch cabinets)

• Temperature Range:

  • Charge: -10°C to +55°C

  • Discharge: -20°C to +55°C

  • Storage: 0°C to +35°C

• Certifications: IEC62619, CE, UK, UN38.3, CEC

• Communication Ports: CAN 2.0, RS485

• Protection: Over-voltage, short-circuit, over-temp, under-voltage, over-current, and more

📦 What’s in the Box:

• 1 × Sunsynk W5.3 Battery

• 1 × Hanging Wall Bracket

• 1 × Inverter-to-Battery Cable Set

• 1 × Battery Parallel Cable Set

• 1 × Communication Cable

⚠️ Important: Sunsynk W-Series batteries are not compatible with Sunsynk G-Series or L-Series batteries.
📌 Warranty registration must be completed within 7 days of commissioning to remain valid.

When paired with a Sunsynk inverter, a 5-year extended warranty on the inverter is granted.