Best current price£1,590.91from City Plumbing GB
Shopping.co.uk recommended and popular offers
City Plumbing GB£1,590.91Visit shop Sunsynk White W5.3 Series Battery
Visit shop
B&Q£1,590.92Visit shop - Sunsynk W5.3 Series Lifepo4 Battery Storage 5.32Kwh
Visit shop2 offers from £1,590.91 - £1,590.92
View price history by clicking the chart icon.
The Sunsynk W5.3 battery is a robust, high-performance energy storage solution designed for homeowners and professionals seeking reliable power in demanding environments. Utilizing advanced LiFePO4 chemistry and featuring an IP65 ingress protection rating, it provides exceptional durability and safety for both indoor and outdoor installations; however, users should note that performance in extreme temperature ranges requires adherence to specific charging and discharging thresholds to maintain longevity.
| Model Part Number | W5.3 |
|---|---|
| Brand | Sunsynk |
Yes, the battery carries an IP65 rating, meaning it is protected against dust and low-pressure water, making it suitable for outdoor installation.
No, the unit includes an inbuilt 125A MCB which acts as both a disconnect switch and overcurrent protection.
The W5.3 uses LiFePO4 (Lithium Iron Phosphate), known for its high safety profile and long cycle life.
Yes, the system is designed to be scalable. Please consult the installation manual for the maximum number of units that can be connected in parallel.
The battery can be monitored through the Sunsynk inverter interface or the associated mobile application if linked via a data logger.
The battery will automatically stop charging or discharging based on its internal BMS protocols; simply wait for the ambient temperature to rise into the operational range.
Check the RS485 or CAN communication cable connections at both the battery and inverter ports for secure seating.
Verify the ambient temperature is above -10°C; the BMS will pause charging to protect the cells if the temperature drops below this threshold.
Inspect the DC load for short circuits or ground faults and ensure the total connected load does not exceed the battery's peak discharge rating.
Installation must be performed by a qualified technician to ensure the 125A MCB is properly integrated into the household electrical system. The W5.3 is compatible with most Sunsynk hybrid inverters using the provided communication cables. For care, visually inspect the IP65 seals periodically to ensure no debris has compromised the casing. Keep the area around the heat sinks clear of dust and obstruction to facilitate passive cooling. Do not attempt to open the battery casing, as this will void the warranty and poses a high-voltage electrical risk.
