Sunsynk W5.3 Battery Module 5.32kWh Battery Wall Mounted or rack mounted IP65 suited for colder conditions
#5: SUNSYNK-W5.3
(Compatible with Lifelynk & L5.3)
Sunsynk W5.3 Data Sheet
Sunsynk W5.3 Manual
To view our full range of Sunsynk products visit our main Sunsynk page here
Sunsynk W5.3 Battery Installation Project
At ITS Technologies, we specialise in delivering reliable solar and battery storage installations across the UK. This project features the Sunsynk W5.3 IP65 battery, a versatile energy storage solution built for durability, efficiency, and real-world performance.
Why Choose the Sunsynk W5.3?
The Sunsynk W5.3 battery is available in 5.32kWh and 10.64kWh capacities, making it suitable for a wide range of residential and commercial applications. Powered by LiFePO4 (lithium iron phosphate) technology, it offers superior safety, longevity, and energy efficiency.
Designed to perform in tough conditions, the W5.3 charges at temperatures as low as -10°C and discharges down to -20°C. For added protection, it comes with an integrated 125A MCB (Miniature Circuit Breaker), ensuring safe and reliable operation.
Key Features of the Sunsynk W5.3
Technical Highlights:
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5.32kWh W-Series Battery (SUNSYNK-W5.3)
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LiFePO4 battery chemistry for maximum cycle life
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Operates in extreme temperatures (-10°C charging, -20°C discharging)
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Built-in 125A double-pole MCB for added safety
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IP65 rated – suitable for outdoor installation
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Scalable system – connect up to 32 batteries in parallel
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90% Depth of Discharge (DoD)
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Optional cell-level monitoring for advanced performance tracking
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Flexible installation – wall-mounted or rack-mounted
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Supplied with battery-to-battery and battery-to-inverter cables as standard
