Sunsynk CATL 5.12kWh LFP Battery
The Sunsynk CATL Battery LFP 5.12 kWh (part number SUN-BAT-CATL-5.12) is a 5.12 kWh lithium iron phosphate (LiFePO₄) battery module featuring cells produced by CATL, one of the world's largest battery cell manufacturers. With 100% depth of discharge, 48 V nominal voltage, a maximum discharge power of 5.12 kW, and up to 16 units in parallel, the Sunsynk CATL battery is designed for residential UPS and off-grid applications. IP40 rated. Self-monitoring function for abnormality detection. Wall-mount brackets (SUN-WALL-BR) sold separately. 5-year standard warranty with registration. Available from DECO Group, a UK-based solar and energy storage wholesaler for professional trade installers.
Key Technical Details
- Part number: SUN-BAT-CATL-5.12
- Battery chemistry: Lithium iron phosphate (LiFePO₄), CATL cells
- Nominal energy: 5,120 Wh (5.12 kWh)
- Nominal voltage: 48 V
- Depth of discharge: 100%
- Continuous discharge rate: 2,400 W
- Maximum discharge rate (5 minutes): 4,800 W
- Surge discharge rate (15 seconds): 9,600 W
- Maximum charge rate (5 minutes): 4,800 W
- Maximum discharge power: 5.12 kW (C0.5 rated)
- Parallel capability: Up to 16 units
- Ingress protection: IP40
- Self-monitoring: Yes (abnormality detection)
- Expected lifespan: 10 years
- Weight: 47.5 kg
Key Features
- 5.12 kWh capacity with CATL LiFePO₄ cells and 100% depth of discharge
- Up to 16 units in parallel for scalable storage
- Excellent thermal stability
- Self-monitoring function to detect abnormalities
- Expected 10-year lifespan
Important
- Wall-mount brackets are not included; order SUN-WALL-BR separately
- These batteries contain CATL cells and are not intercompatible with non-CATL Sunsynk batteries
- Use the CATL-specific cable pack (SUN-CABLE-PACK) for inverter connection, not the standard IP65 cable
System Compatibility
- Compatible with Sunsynk hybrid inverters
- CATL cells — not intercompatible with other Sunsynk battery variants
- Up to 16 units in parallel
- Register installations online for warranty activation
Installation Notes
- At 47.5 kg, a two-person lift is required
- IP40 rated — indoor installation only
- Wall-mount brackets (SUN-WALL-BR) required for wall mounting
- Must be installed by a qualified electrician or technician
Warranty
- Standard warranty: 5 years (registration required)
Common Questions
Click a question below to reveal the answer.
Can I mix Sunsynk CATL batteries with other Sunsynk batteries?
No. Sunsynk CATL batteries contain CATL cells and are not intercompatible with other Sunsynk battery variants. Only CATL batteries should be used together in the same system.
Can I install this battery outdoors?
No. The Sunsynk CATL battery is IP40 rated and must be installed indoors.
Do I need a wall bracket?
Yes, if wall-mounting. Brackets (SUN-WALL-BR) are sold separately and must be ordered in addition to the battery.
Which cable pack do I need?
Use the CATL-specific cable pack (SUN-CABLE-PACK) for connecting this battery to a Sunsynk inverter. The standard Sunsynk IP65 cable set is not compatible with CATL batteries.
About Sunsynk
Sunsynk is an internationally recognised inverter and battery storage brand. The Sunsynk CATL battery range uses cells from CATL, a global leader in lithium-ion battery development who supply prestige automotive brands including BMW, Daimler AG, and Tesla.
DECO Group supplies Sunsynk batteries, hybrid inverters, cables, brackets, and system accessories. Visit decogroup.co.uk for the full catalogue.
About DECO Group
We supply battery storage systems, inverters, and installation accessories to professional installers across the UK. Visit decogroup.co.uk.
