Sunsynk X Series 5.12
SUN-X-5.12-F · Sunsynk
Good to know
A 5.12 kWh LiFePO4 battery made in China.
About 4.9 kWh usable: enough to run a 1 kW load (fridge, lights, TV, Wi-Fi and a laptop together) for about 5 hours.
Gives up to 5.12 kW continuously.
The maker lists it as working with Sunsynk inverters.
Warranty: 10 years.
Where to buy
Shops that list this model, by city:
Durban
| Shop | Listed as | Price seen | |
|---|---|---|---|
| Segen Solar (Durban Service Centre) trade | X-Series | – | listing |
Also stock this brand (ask them for this model): ARTsolar, Central Solar Supplies (KwaZulu-Natal branch), Solar Supply Durban, TechHut.
Johannesburg
| Shop | Listed as | Price seen | |
|---|---|---|---|
| JC Solar Panels (Enerlux) | X-Series | R 17 812 VAT not stated | listing |
| SegenSolar (West Rand branch) trade | X-Series | – | listing |
| Get Off Grid trade | X-Series | – | listing |
Also stock this brand (ask them for this model): SunStore (Amperion Energy).
Cape Town
| Shop | Listed as | Price seen | |
|---|---|---|---|
| Segen Solar (Cape Town branch) trade | X-Series | – | listing |
| GW Store | SUN-X-5.12-F | R 21 647 VAT not stated | listing |
| Get Off Grid (Cape Town branch) trade | X-Series | – | listing |
Also stock this brand (ask them for this model): Central Solar Supplies (Cape Town branch), Solar Sonic.
How it compares
Where it sits among the 12 home batteries listed here (the best gets a full bar, the weakest a fifth, a figure the datasheet doesn't give none). Size isn't scored: the bars are shares and ratios. Cycle counts are measured at different depths and end points by each maker, so read them as a rough guide.
Datasheet numbers
| Chemistry / form | LiFePO4 / wall |
|---|---|
| Made in | China |
| Energy: nominal / usable | 5.12 kWh / – |
| Depth of discharge | 95 % |
| Voltage: nominal (range) | 51.2 V (43.2-57.6 V) |
| Max charge / discharge | 50 A / 100 A |
| Continuous / peak power | 5.12 kW / – |
| Cycle life | 6000 |
| Warranty | 10 years |
| Parallel units | 8 |
| Communication | RS485, CAN, Wi-Fi (optional) |
| Inverters the maker lists | Sunsynk |
| Certificates | IEC 62619, CE, UN38.3, RoHS |
| Protection | IP65 |
| Operating temperature | charge -10 to 50 °C; discharge -20 to 50 °C |
| Weight / size | 46 kg / 420 x 140 x 650 (W x D x H) mm |
Source: maker's datasheet (v.7 (07/08/25), sunsynk.org).