4 modelsRiiO Sun II off-grid inverter
A transformer-based off-grid inverter with battery charger, MPPT solar controller and 4ms transfer switch, from 3kVA to 8kVA.

A factory-built 10kW or 15kW off-grid power system with up to 40kWh of storage, air conditioning and fire suppression in one IP55 cabinet.
Raython M Pro is a complete, standalone solar power system for larger homes and businesses without grid access. The inverter, solar controller, lithium storage, climate control and fire suppression all come pre-assembled in one cabinet.
| Raython M10 Pro | 10kVA, 20.16 to 40.32kWh |
|---|---|
| Raython M15 Pro | 15kVA, 30.24 to 40.32kWh |
| Model | Continuous (25°C / 40°C) | Max output (30 min) | Storage | AC charger | Solar charger | Max PV voltage |
|---|---|---|---|---|---|---|
| M10 Pro | 8000 / 7000W | 10000W | 20.16 to 40.32kWh | 140A | 300A, 4 trackers | 600V |
| M15 Pro | 13000 / 10000W | 15000W | 30.24 to 40.32kWh | 200A | 400A, 4 trackers | 900V |
| Inverter | Transformer-based, 48V |
|---|---|
| AC output | 220/230/240V ±2%, 50/60Hz |
| Efficiency | Up to 96% |
| AC inputs | 2 × 100A |
| Transfer time | 0ms (under 15ms in weak-supply mode) |
| MPPT efficiency | Over 99.9% |
| Monitor | E4 with Wi-Fi |
| Cooling | Air-conditioned battery compartment |
|---|---|
| Protection rating | IP55 |
| Dimensions | 820 × 1210 × 2040mm (including lifting rings) |
| Standards | EN-IEC 62477-1, 62109-1, 62109-2, 62040-1 |
4 modelsA transformer-based off-grid inverter with battery charger, MPPT solar controller and 4ms transfer switch, from 3kVA to 8kVA.
5 modelsThe RiiO Sun II without the built-in solar charger: a transformer-based inverter charger for backup and off-grid systems, from 1kVA to 8kVA.
2 modelsA transformer-based 10kW or 15kW off-grid inverter with a built-in 600V or 900V MPPT solar controller, two AC inputs and two outputs.