A 15-year warranty, 10,000+ cycles and 100% usable capacity, in a stackable tower built for Australian conditions.
The Sumray SR-LV14G is a low-voltage (48V) lithium iron phosphate battery built as a stackable tower. Each module adds 13.92kWh, and you can start with one and add more later, up to four modules (55.68kWh) in a single tower. It pairs with Solis hybrid inverters.
| Sumray SR-LV14G — key specifications | |
|---|---|
| Capacity | 13.92 / 27.84 / 41.76 / 55.68kWh (1–4 stacked modules) |
| Usable capacity | 100% (same as rated capacity) |
| Chemistry | LiFePO4 (LFP) |
| Voltage | 48V low voltage |
| Max charge / discharge power | 5.4kW (1 module), 10.8kW (2), 16.2kW (3–4) |
| Inverter | Solis hybrid inverters |
| Cycle life | 10,000+ cycles |
| Protection rating | IP66, C4 corrosion protection |
| Operating temperature | Charging 0–50°C, discharging −20–50°C |
| Safety | Aerosol fire suppression, module-level circuit breakers |
| Expansion | Up to 4 towers in parallel |
| Warranty | 15 years product; 15 years performance (60% usable energy, or 10,000 cycles or minimum energy throughput, whichever comes first) |
| Pricing | Ask for a current written quote |
Specifications from the Sumray SR-LV14G datasheet and AU/NZ limited warranty. Warranty applies when installed with a Solis inverter or another inverter Sumray confirms as compatible. *Site specific extras apply.
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