Off-grid

Raython R-II all-in-one system

A complete off-grid power system in one IP54 cabinet: inverter, MPPT, lithium storage, monitor and distribution. 5kVA or 8kVA.

Raython R-II is a complete off-grid power system for homes and small businesses without grid access. It combines a RiiO Sun II inverter, lithium battery modules, an E4 monitor and AC, DC and PV distribution in one weatherproof cabinet.

Models

Raython R5-II	5kVA, 10.08 to 20.16kWh
Raython R8-II	8kVA, 15.12 to 20.16kWh

Features

Everything in one cabinet, for a faster, tidier installation.
Transformer-based inverter with high surge power and 4ms switching to battery.
Two MPPT trackers, a smart port for a generator or second AC output, and auto generator start.
DC and AC coupling, with power control and power assist.
Two cabinets can run in parallel using TBB’s AC distribution box and DC parallel kit.

Where to buy Datasheets and manuals

Compare models

Model	Continuous	Peak	Storage	AC charger	Solar charger	Weight (no battery)
R5-II	5000VA	10000W	10.08, 15.12 or 20.16kWh	60A	100A, 2 trackers	105kg
R8-II	8000VA	16000W	15.12 or 20.16kWh	90A	120A, 2 trackers	116kg

Specifications

System
Inverter	RiiO Sun II, transformer-based, single-phase
AC output	220/230/240V ±2%, 50/60Hz
Transfer time	Under 4ms
Generator input	175–265V, 50A transfer switch
Max PV	4.4 + 4.4kW (R5-II), 5.2 + 5.2kW (R8-II)
PV open-circuit voltage	250V
Monitor	E4 with Wi-Fi

General
Parallel	Up to 2 cabinets, 16kVA / 40.32kWh
Battery temperature	Discharge −20°C to 55°C, charge 0°C to 55°C
Protection rating	IP54
Dimensions	790 × 750 × 1030mm
Standards	EN-IEC 62477-1, 62109-1, 62109-2