2KVA-M-LV TBB RiiO Sun II HYBRID

The TBB RiiO Sun II 2KVA-M-LV is a transformer-based hybrid inverter designed for off-grid, backup, and energy storage applications, integrating a pure sine wave inverter, MPPT solar charge controller, battery charger, and rapid 4ms automatic transfer switch.

Inverter Specifications
Nominal battery voltage / Input voltage: 24 V / 21–34 V
AC output voltage: 220/230/240 ± 2% VAC
AC output frequency: 50/60 ± 0.1 Hz
Harmonic distortion: <2%
Load power factor: 1.0
Continuous output power (25°C): 2000 VA
Maximum output power (25°C): 2000 W
Peak power: 4000 W
Surge rating: 300%
Maximum efficiency: 91%
Zero load power consumption: 13 W

Battery Charger
Charge voltage (‘absorption’ / ‘float’): 28.8 / 27.6 V
Compatible battery types: AGM, GEL, OPzV, Lead-Carbon, Flooded, Traction, Lithium
Maximum AC charge current: 40 A
Temperature compensation: Yes

Solar Charge Controller (MPPT)
Maximum output current: 80 A
Maximum PV open circuit voltage: 150 V
MPPT voltage range: 40–145 V
Number of MPPT trackers: 2
Maximum PV input current per tracker: 36 A
Maximum PV short circuit current per tracker: 40 A
Maximum charge power: 2300 W
Allowable maximum PV power per tracker: 3600 W
MPPT charger maximum efficiency: 98%
MPPT efficiency: 99.5%
Protection features: Output short circuit, overload, over-voltage, under-voltage, over-temperature, input voltage out of range, fan block

AC Output & General Data
AC Out1 current: 32 A
Smart port current: N/A
Transfer time: 4 ms (< 15 ms in weak AC source mode)
Communications port: RS485 (GPRS, WLAN optional)
Programmable relay: 1× (30 V DC/3 A or 250 V AC/3 A)
Operating temperature range: -20°C to 65°C
Relative humidity: 95% without condensation
Altitude: 2000 m max

Mechanical Data
Dimensions (mm): 499 × 272 × 144
Net weight: 14 kg
Cooling: Forced fan
Protection index: IP21

Features & Capabilities
Power assist / power control: Supports limited grid or generator input, automatically manages energy flow to prevent overload or supply shortage
Parallel and three-phase operation: Support up to 9 units for higher power output (max 72 kVA)
Programmable smart port: Can manage generator input or AC output load control based on battery state and grid conditions
Optional operation without battery: Only for single-unit applications with stable AC bypass supply; solar used to supplement AC load
Maximum Power Point Tracking: Optimizes PV power production to maximize harvest for battery charging and load supply
Remote monitoring: Via TBB NOVA App or web portal for real-time energy management and performance alerts