Product Overview
The Sunsynk R-Series 5.12kWh 51.2V LiFePO4 Battery is a compact low-voltage energy storage battery designed for solar power, backup power and hybrid energy systems where reliable storage and limited installation space are important. It combines a 5.12kWh nominal capacity with an IP65-rated enclosure, integrated battery protection and flexible wall or floor mounting.
Key Features
- 5.12kWh nominal capacity with 51.2V nominal voltage and 100Ah capacity.
- 80% depth of discharge provides up to 4.096kWh usable capacity per battery.
- 0.98C discharge rating supports demanding residential and light commercial applications.
- Supports up to 15 batteries in parallel for systems requiring increased storage capacity.
- IP65-rated enclosure is suitable for installations requiring enhanced protection against dust and water ingress.
- Integrated aerosol fire suppression and built-in breaker add additional layers of battery safety.
- Built-in battery management system provides over-discharge, over-charge, over-current and high/low temperature protection.
- Wall-mount or floor-mount design provides installation flexibility.
- Rated for 6000 cycles and supplied with a 10-year product warranty, subject to the applicable Sunsynk warranty terms and registration requirements.
Applications
- Residential solar power systems requiring lithium battery storage.
- Hybrid and backup power installations using suitably compatible equipment.
- Light commercial energy storage applications where a compact, scalable battery system is required.
Why Choose This Product?
The R-Series 5.12kWh battery offers a practical balance of compact size, scalable storage capacity, integrated safety features and flexible mounting. Its LiFePO4 chemistry, IP65 enclosure and ability to operate in parallel make it well suited to professionally installed solar and backup power systems.
Important Notes
- This product must be installed by a qualified electrician or technician in accordance with local wiring regulations and applicable standards.
- Battery and inverter compatibility must be confirmed for the specific system before installation.
- Equipment warranty registration should be completed within 7 days of commissioning where required by the supplier or manufacturer warranty terms.
- Sunsynk inverter and battery warranty extensions are subject to the applicable Sunsynk terms and correct product pairing.
Technical Specifications
| Specification | Detail |
|---|---|
| Brand | Sunsynk |
| Model | SUN-R-5.12 |
| Product Type | LiFePO4 Lithium Battery |
| Nominal Energy | 5.12kWh |
| Nominal Voltage | 51.2V |
| Capacity | 100Ah |
| Depth of Discharge | 80% |
| Usable Capacity | Up to 4.096kWh |
| Discharge Rating | 0.98C |
| Cycle Life | 6000 cycles |
| IP Rating | IP65 |
| Parallel Capability | Up to 15 units, up to 76.8kWh nominal capacity |
| Mounting | Wall mount or floor mount |
| Safety Features | Aerosol fire suppression, integrated breaker and BMS protection |
| Warranty | 10 years, subject to applicable warranty terms and registration requirements |
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

