1. Comprehensive all-in-one design: The RiiO Sun II combines multiple functionalities into one compact casing, including a pure sine wave inverter, two advanced MPPT solar charge controllers, and an efficient battery charger. This design simplifies installation and optimises performance in various applications.

2. High surge capacity: Engineered to handle significant surge loads, the RiiO Sun II guarantees uninterrupted operation of essential appliances during power outages, providing peace of mind for off-grid living or backup scenarios. With a swift 4ms transfer time, it quickly switches to battery power during outages, ensuring your critical appliances remain operational.

3. Enhanced flexibility: The RiiO Sun II can be configured in parallel with up to 3 units in singles phase applications, or up to 9 units in three-phase applications, achieving a maximum output of 72KVA. It features a built-in smart port for generator input or a second AC output, which enhances system versatility.

4. Dual MPPT technology: Equipped with two MPPT trackers, the inverter supports flexible system design, allowing for efficient energy harvesting from multiple solar arrays. With a maximum PV open circuit voltage of up to 250V, it optimizes energy yields, ensuring reliable and consistent performance for various installation scenarios.

5. ESS and grid-tie capabilities: The RiiO II inverter seamlessly integrates with the E4 LCD Monitor and IC-METER, unlocking advanced Energy Storage System (ESS) and grid-tie functionalities. This allows for maximising self-consumption which helps lower electricity bills through advanced peak shaving and time-of-use management. Additionally, it enables grid feed-in for utility credits, providing economic advantages for users.

6. 50A transfer switch: The AC transfer switch inside the RiiO Sun-II is rated up to 50A, allowing for up to 11.5kW of power to be passed through to the loads from the AC input when the inverter is in bypass.

• AGS functionality: The Automatic Generator Start (AGS) function ensures efficient operation by activating the generator only when necessary, optimising energy use.
• User-friendly monitoring: Users can easily monitor performance through the Nova Web and mobile app via the TBB-KIN2 Kinergy-II Wi-Fi module, this allows for control and adjustments from anywhere.
• Reliable operation: The inverter features a 4ms ultra-fast switch to battery power, ensuring swift response during power interruptions. Additionally, it operates with an ECO Mode to prolong backup time while maintaining extremely low self-consumption.
• Superior efficiency: With a maximum inverter efficiency of 95% and a maximum MPPT efficiency of 98%, the RiiO Sun II delivers optimal performance, maximising energy capture and utilisation.
• Easy operation & maintenance: The all-in-one design facilitates straightforward installation and maintenance, ensuring hassle-free operation. The inverter automatically restarts when the PV or AC power is restored, guaranteeing continuous availability.

This solar inverter is compatible with a range of lead-acid and lithium batteries, as well as many generator brands, making it a versatile choice for various energy needs. Its ability to work without a battery offers added flexibility for users seeking different operational configurations.

• Nominal battery voltage: 48V
• Continuous power output: 8000W/8000VA (220-240V AC)
• Peak power: 16000W
• AC Output frequency: 50/60Hz
• Output waveform: Pure sine wave
• Maximum mains AC charging current: 90A
• AC transfer current: 50A
• Peak efficiency: 95%
• Zero load power: 32W
• Maximum solar output current: 100A (50A per tracker)
• Maximum charge power: 5760W @57.6V (2880W @57.6V per tracker)
• Maximum PV open circuit: 250V
• Maximum PV power per tracker: 4400W + 4400W
• MPPT voltage range: 65 - 245V
• Peak MPPT efficinecy: 98%
• Protection index: IP21
• Operating temperature: -20°C to 65°C
• Humidity: 95% without condensation
• Altitude: <2000m
• Size: 620 x 320 x 164 mm
• Weight: 34 kg