Sunsynk G5.3 – 5.32kWh G-Series Battery
Product overview
Sunsynk G5.3 – 5.32kWh G-Series Battery
The Sunsynk G5.3 – 5.32kWh G-Series Battery is a high-performance LiFePO4 energy storage solution for residential and light-commercial systems. With 5.32kWh capacity rated at 51.2V 100Ah, it provides reliable power for high-demand applications while maximising long-term battery life. Its intelligent BMS monitors voltage, current and temperature, protecting against overcharge, over-discharge, over-current, and extreme temperatures. Up to 8 units can be connected in parallel for scalable capacity, with quick paralleling requiring no dip switches. The compact, wall-mounted IP65-rated design ensures safe operation across a wide temperature range and simplifies installation.
Key Features & Benefits
5.32kWh LiFePO4 battery provides safe, long-life energy storage for residential and light-commercial applications- Supports up to 90% depth of discharge to maximise usable energy
- Built-in BMS monitors voltage, current, and temperature for safe, balanced operation
- Advanced protection: Overcharge, over-discharge, over-current, and high/low temperature safeguards
- Automatically manages charge/discharge and balances current and voltage for each cell
- Parallel capability supports up to 8 G5.3 units for scalable energy systems
- Quick paralleling with no dip switches for fast, simple installation
- Compatible with Sunsynk hybrid inverters for seamless system integration
- Wall-mounted or 19-inch rack-mount design saves space and enables organised, secure installation
- IP20-rated for dry indoor areas, with safe operation from -20ºC to 55ºC
- Self-cooling design reduces system noise
- Low self-discharge: Up to 6 months shelf life without charging, no memory effect, and excellent shallow charge/discharge performance
- Auto-networking for battery communication, easy maintenance, and remote monitoring/firmware upgrades
- Non-toxic, non-polluting, and environmentally friendly
Why Choose the Sunsynk G5.3 – 5.32kWh G-Series Battery?
The Sunsynk G5.3 G-Series Battery is a reliable, scalable energy storage solution for homes and small commercial systems. Featuring LiFePO4 chemistry, it offers enhanced safety, a long life and consistent performance. Intelligent BMS protection and parallel expansion capability ensure flexibility as your system grows. It installs easily and provides dependable backup power while optimising energy use.
Sunsynk Battery Range List
- IP20 G-Series (5.32kWh): An optimised indoor storage module featuring 90% depth of discharge and effortless scalability up to 32 units in parallel
- IP65 W-Series (5.32kWh | 10.64kWh): The ultimate all-weather solution, featuring an integrated 125A circuit breaker and advanced low-temperature charging down to -10°C
- IP20 REPT Series (5.32kWh – Wall Mounted | Rack Mounted): Made for high-capacity energy independence, supporting massive system builds up to 159.75kWh per inverter
- IP65 L-Series (3.07kWh | 5.12kWh | 5.32kWh): A robust, weather-resistant compact option perfect for residential outdoor or 19-inch rack installations with no dip switches required
For Additional Information on the Sunsynk G5.3 – 5.32kWh G-Series Battery, please consult the Technical Data Table or PDF File below.
*Technical Data subject to change without notice.
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+44 (0)1744 762 929Technical Data
MAIN PARAMETER |
| SUNSYNK-G5.3 | |
| BATTERY CHEMISTRY | Lithium Ferro Phosphate (LifePO4 or LFP) |
| CAPACITY | 104 Ah |
| SCALABILITY | Max. 32 pcs in parallel (170 kWh) |
| NOMINAL VOLTAGE | 51.2 V |
| OPERATING VOLTAGE | 43.2~57.6 V |
| ENERGY | 5.32 kWh |
| USABLE ENERGY [¹] | 4.79 kWh |
| CHARGE / DISCHARGE CURRENT - RECOMMENDED [²] |
50 A |
| CHARGE / DISCHARGE CURRENT - MAX. [³] |
100 A |
| CHARGE / DISCHARGE CURRENT - PEAK (2 MINS, 25ºC) |
150 A |
OTHER PARAMETER |
| SUNSYNK-G5.3 | |
| RECOMMENDED DEPTH OF DISCHARGE | 90% |
| DIMENSIONS (W x H x D) |
440 x 600 x 133.2 mm (doesn’t include circuit breaker, terminals and hanging boards) |
| APPROXIMATE WEIGHT | 44kg |
| MASTER LED INDICATOR | 5 LED (SOC 20%~100%) |
| MASTER LED INDICATOR |
3 LED (working, alarming, protecting) |
| IP RATING OF ENCLOSURE | IP20 |
| WORKING TEMPERATURE | Charge: 0°C~+55°C (optional heating, -20°C~+55°C) Discharge: -20°C~+55°C |
| STORAGE TEMPERATURE | -20ºC ~ +35ºC |
| HUMIDITY | 5% ~ 95% |
| ALTITUDE | ≤2000m |
| CYCLE LIFE | ≥6000 (25±2ºC, 90% DOD, 0.5C/0.5C, 70% EOL) |
| INSTALLATION | Wall Mounted (Support 19-inch standard cabinet) |
| COMMUNICATION PORT | CAN2.0, RS485 |
| LIFE CYCLE POWER DURING WARRANTY PERIOD [³] | 16MWh @ 70% EOL |
| CERTIFICATION | CE, UK, CEC, UN38.3 |
[¹] DC Usable Energy, test conditions: 90% DOD, 0.5C charge & discharge at 25° C. System usable energy may vary due to system configuration parameters.
[²] The current is affected by temperature and SOC.
[³] The warranty is due whichever reached first of warranty period or energy throughout.