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 4.3-inch touchscreen for local monitoring and energy management of TBB home systems, connecting to NOVA over Wi-Fi or 4G.
The E4 shows how a TBB home system is performing, manages energy on site, and connects the system to NOVA so you can check and adjust it from anywhere.
| Display | 4.3-inch capacitive touchscreen, 480 × 272 |
|---|---|
| Supply | 12V (9–16V), 100mA |
| Communication | RS485 (inverter and energy meter), CAN (lithium battery) |
| External | Wi-Fi or 4G version |
| Data storage | Up to 7 days offline; 2000 event and 400 operation records |
| Protection rating | IP21 |
| Dimensions | 115 × 80 × 38mm |
| Weight | 178g |
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.