A well-priced, modular high-voltage battery from an established Chinese manufacturer.
The SAJ B2 battery is a modular high-voltage LiFePO4 system, distributed through major Australian solar wholesalers including OSW Energy. Each B2-5.0-HV1 module stores 5kWh (4.5kWh usable at 90% DoD), and the system scales from 2 to 5 modules for a 10–25kWh range, paired with a compatible SAJ hybrid inverter.
| SAJ — key specifications | |
|---|---|
| Capacity | 5.0 – 25.0kWh (2–5 modules) |
| Chemistry | LiFePO4, cobalt-free |
| Inverter | Compatible SAJ hybrid inverter range |
| Usable depth of discharge | 90% (4.5kWh usable per 5kWh module) |
| Cycle life | Long-life LFP cells |
| Efficiency | High round-trip efficiency |
| Protection rating | IP65 |
| Warranty | 10 years |
| Pricing | Ask for a current written quote |
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