When purchasing off-grid solar inverters, it is vital to buy inverters that will stand the test of time and perform optimally in adverse weather conditions.
Since not all off-grid solar inverters can perform properly in sub-zero temperatures, it is important for you to opt for the best off-grid solar inverter whenever you want to get one for use.
Interetingly, there are multinational renewable and electrical energy companies globally that have quality off grid solar inverter that can meet your energy requirement and give you only the best.
So, we’ve designed this guide to bring to light different international companies that produce the best off-grid solar inverters. Some of the best off-grid solar inverter products on the market are Victron Multiplus 2, Schneider Electric XW Pro, Selectronic SP PRO, etc.
Best off-Grid Solar inverter
There are lots of quality off-grid solar inverters on the market that can meet your energy requirements. These inverters have different battery capacities and are available in different sixes too. The table below summarizes different types of inverters, their battery capacity, sizes, etc. Go through it to choose the inverter that suits your energy needs.
| Inverter | Type | Use | Available Sizes | Battery System Voltage | Producing Country |
| Victron Multiplus 2 | Inverter-charger (Multi-mode & bidirectional) | Solar storage, backup (UPS), off-grid | 1.6kW, 2.4kW, 4.0kW, 6.5kW, 8.0kW, 12kW (15kVA) | 12V, 24V, 48V | Netherlands |
| SMA Sunny Island | Inverter-charger (Multi-mode & bidirectional) | Solar storage, backup (UPS), off-grid | 3.3kW, 4.6kW, 6.0kW | 48V | Germany |
| Sol-Ark 12K & 15K (Deye) | Hybrid Multi-mode Inverter (All-in-one unit) | Solar storage, backup (UPS), Off-grid | 4.8kW,6kW | 48V | China |
Deye SUN Inverters | Hybrid Multi-mode Inverter (All-in-one unit) | Solar storage, backup (UPS), Off-grid | 8kW | 48V | China |
| Schneider Electric XW Pro | Inverter-charger (Multi-mode & bidirectional) | Solar storage, backup (UPS), off-grid | 5.5kW, 6.8kW | 48V | Italy |
| Outback Power Radian A Series | Inverter-charger (DC-coupled) | Solar storage, backup (UPS), off-grid | 8kVA, 4kVA | 48V | USA |
| Selectronic SP PRO | Inverter-charger (Multi-mode & bidirectional) | Solar storage, backup (UPS), off-grid | 3.0kW, 4.5kW, 5.0kW, 7.5kW, 15kW, 20kW | 24V, 48V, 120V | Australia |
1. SMA Sunny Island
SMA Solar Technology is one of the leading solar energy equipment suppliers in Germany. The company was founded in 1981. In fact, it is one of the biggest solar inverter manufacturers globally. Their inverter can perform optimally in all kinds of temperature, including sub-zero temperatures. The SMA Sunny Island solar inverter is among the rare off-grid inverter chargers that have IP54 grading, allowing its installation in semi-exposed locations.
2. Outback Power Radian A-Series
The Outback Power Radian A-Series-off grid inverter is among the best inverters for split-phase. The company was founded in 2001. It is a leading manufacturer of off-grid systems in North America. They manufacture inverter charges for both residential and commercial off-grid installations. It also has the Flexmax range of MPPT solar charge controllers.
3. Victron MultiPlus 2
Victron Energy is a multinational conglomerate based in the Netherlands that produces high-quality sinewave inverters, inverter chargers, DC/DC converters, transfer switches, and battery monitors, among others. Their price is relatively affordable, especially for DC-coupled systems. They have some features that allow users to monitor their solar inverter remotely.
4. Selectronic SP PRO
Another popular solar inverter manufacturer on our list is Selectronic SP PRO. The company is situated in Australia. It has a 30-minute power rating and an excellent 2.5x peak/surge power rating. This is possible because the inverter has heavy-duty toroidal-core transformers.
5. Schneider Electric XW Pro
Schneider Electric is a popular European corporation that produces various electrical products, like durable solar inverters. Their inverter is suitable for off-grid solar inverters.
6. Sol-Ark 12K & 15K 9 (Deye)
Sol-Ark produces and distributes off-grid inverter. The inverter is available in two different forms, viz., 12K and 15K models. The company is based in the United States and it has numerous features that make it acceptable in the USA.
Off-grid Inverter 48V
The off-grid inverter that have 48V are Victron Multiplus 2, Deye SUN Inverters, Schneider Electric XW Pro, Outback Power Radian A Series, Selectronic SP PRO, etc.