Sunsynk W5.3 5.32kWh IP65 Lithium Battery (Black)
- Outdoor-rated (IP65) for flexible installation indoors or outdoors
- Reliable backup or daily cycling for solar, off-grid, or hybrid energy systems
- Expandable: connect up to 32 units (170kWh) for larger projects
Description
The Sunsynk W5.3 battery delivers robust and efficient energy storage for both residential and commercial renewable energy applications. Designed for use with solar PV systems and compatible hybrid inverters, it offers reliable capacity and flexibility whether you are looking to back up essential loads, maximise self-consumption, or build scalable systems. Its durable, weather-resistant enclosure and proven lithium iron phosphate (LiFePO4) chemistry ensure long cycle life and safety, even in challenging UK conditions.
Key Features
- Usable energy storage: 5.32kWh per unit
- IP65 protection: safe for outdoor installation
- Built-in BMS and 125A circuit breaker for safe operation
- Wall-mounted, supports 19-inch cabinet/rack installation
- Wide operating temperature range for all UK environments
Technical Specifications
| Rated Energy | 5.32kWh |
| Usable Energy | 4.79kWh |
| Battery Chemistry | LiFePO4 |
| Capacity | 104Ah |
| Nominal Voltage | 51.2V |
| Operating Voltage | 43.2–57.6V |
| Max Parallel Units | 32 units (up to 170kWh) |
| Recommended Charge/Discharge Current | 50A |
| Maximum Current | 100A |
| Peak Current (2 min @ 25°C) | 150A |
| Depth of Discharge (DoD) | 90% |
| Cycle Life | 6000 (at 25°C, 90% DoD) |
| Dimensions (W x H x D) | 440 x 620 x 135 mm |
| Weight | 46kg |
| IP Rating | IP65 |
| Operating Temperature (Charge) | -10°C to 55°C |
| Operating Temperature (Discharge) | -20°C to 55°C |
| Storage Temperature | 0°C to 35°C |
| Humidity | < 95% RH |
| Altitude | < 2000m |
| Communication Ports | CAN2.0, RS485 |
| Certifications | IEC62619, CE, UKCA, CEC, UN38.3 |
| Installation Type | Wall mounted, 19" rack supported |
| Built-in Protection | 125A DC circuit breaker |
| Warranty | 10 years or 16MWh throughput |
Applications
- Residential battery backup – pairs with hybrid inverters
- Commercial solar PV storage
- Off-grid and backup power for remote cabins, glamping sites
- Scalable energy storage for larger installations (schools, SME sites)
Shipping & Support
Available for delivery across the UK, Ireland, Africa, the Caribbean and worldwide. If shipping rates are not shown at checkout, contact us for a quote: +44 2080640335 or info@energian.co.uk
UK expert support available – contact us with any questions via phone, email, live chat or visit our London office for an in-person consultation.