Sunsynk SUNSYNK-W5.3

SUNSYNK-W5.3

The SUNSYNK-W5.3 is a high-performance lithium iron phosphate (LiFePO₄) battery designed for energy storage in residential and commercial applications. With a 5.32kWh capacity, it offers scalable solutions by connecting up to 32 units in parallel (170kWh total). Built with a robust Battery Management System (BMS), it ensures safety with protections against overcharge, over-discharge, overheating, and short circuits. Its eco-friendly design features non-toxic materials and low self-discharge, retaining charge for up to 6 months. Ideal for compact spaces, it supports wall or rack mounting and includes remote monitoring via the Sunsynk Connect App. Maintenance-free and durable, it provides a long cycle life of ≥6000 cycles at 90% depth of discharge, making it a reliable choice for renewable energy systems.

Sunsynk SUNSYNK-W5.3 Specifications

general

Battery Chemistry

LiFePO₄

Nominal Capacity

5.32 kWh

Scalability

Up to 32 units in parallel (170kWh)

Weight

46 kg

Dimensions

440 x 620 x 135 mm (W x H x D)

Ip Rating

IP65

electrical

Nominal Voltage

51.2 V

Operating Voltage

43.2–57.6 V

Charge Current

50A (recommended), 100A (max), 150A (peak for 2 mins)

Discharge Current

50A (recommended), 100A (max), 150A (peak for 2 mins)

Cycle Life

≥6000 cycles @ 90% DOD

Communication Ports

CAN2.0, RS485

environmental

Operating Temperature

Charge: -10°C to +55°C | Discharge: -20°C to +55°C

Storage Temperature

0°C to +35°C

Humidity

5%–95% (non-condensing)

Altitude

≤2000 meters

mechanical

Installation

Wall-mounted or 19-inch rack

Indicators

5 LED (SOC), 2 LED (status/alarm)

compliance

Certifications

IEC62619, CE, UKCA, CEC, UN38.3

warranty

Life Cycle Power

16MWh @ 70% End-of-Life (EOL)

Terms

Whichever comes first: warranty period or energy throughput

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