Offgridtec Electronics - Solar Charge Controllers, Inverters & Accessories
Reliable solar electronics for self-sufficient energy systems
With Offgridtec electronics, you can reliably control, convert and distribute energy in your solar system. Whether solar charge controller, pure sine wave inverter, transfer switch, device combination or practical electronic accessories - here you will find high-quality components for motorhomes, garden sheds, boats, camping, off-grid systems and stationary PV systems.
Solar Charge Controllers
Monitor and regulate your solar system with our high-quality solar charge controllers to protect your battery from unexpected overvoltages and disruptions. In addition to our proven PWM controller, we also offer two different MPPT series to maximize the efficiency of your system.
Voltage Converters
In our high-quality voltage converters, we exclusively use quality components to offer particularly reliable and durable products. In addition to our 230V inverters, you'll also find high-quality DC-DC converters here. With these, you can reliably supply various types of consumers with power from our high-quality energy storage solutions.
Device Combinations
The all-in-one solution for your solar system: Offgridtec's device combinations combine various components into a single device to provide you with a convenient and straightforward solution. This eliminates the need for multiple individual parts, making the installation quick and easy – a must-have for your solar system.
- Batteries
- Electronics
- Installation
- Complete systems
- Brands
- Solar panels
Offgridtec® PSI Sine Wave Inverter RS485 2000W 3200W 24V 230V
Product is expected to be back in stock on 1 September 2026
Product is expected to be back in stock on 1 September 2026
Timer Schuko socket with display
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec Anderson Adapter DC5521 - 20cm
0.2 Meter (€18.80 / 1 Meter)
Content: 0.2 Meter (€18.80 / 1 Meter)
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec Anderson to wire end ferrules 6mm² 5m
5 Meter (€4.12 / 1 Meter)
Content: 5 Meter (€4.12 / 1 Meter)
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec® PSI-Pro Sine Wave Inverter RS485 3000W 6000W 24V 230V
Product is expected to be back in stock on 1 September 2026
Product is expected to be back in stock on 1 September 2026
10m Offgridtec® Professional connection cable 10mm² solar module to charge controller
10 Meter (€6.59 / 1 Meter)
Content: 10 Meter (€6.59 / 1 Meter)
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec Anderson adapter to 12V socket - 20cm
0.2 Meter (€18.80 / 1 Meter)
Content: 0.2 Meter (€18.80 / 1 Meter)
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec USB dual socket 12V/24V 2x 18W USB-A + USB-C car charging adapter with cover
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Timer switch with twilight switch for Schuko socket 230V 50Hz max. 16A
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec measuring device TDS & EC conductivity meter Drinking water & aquarium water tester
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec USB dual socket 12V/24V 2x 18W car charging adapter with voltage display and cover
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec Anderson adapter to 2x 15A sockets - 20cm
0.2 Meter (€26.60 / 1 Meter)
Content: 0.2 Meter (€26.60 / 1 Meter)
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec® USB interface for MPPT Pro Duo
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec USB double socket USB-A 3.6V - USB-C 5V / 6-30V/DC
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
10 m connection cable for micro inverter with Wieland device plug to Schuko socket (angled)
10 Meter (€3.14 / 1 Meter)
Content: 10 Meter (€3.14 / 1 Meter)
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec laptop cooler ventilated laptop stand with USB port K25 PRO Blue
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
15 m plug & play connection between micro inverter and feed-in socket H07RN-F
12 Meter (€3.93 / 1 Meter)
Content: 12 Meter (€3.93 / 1 Meter)
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
Offgridtec laptop cooler ventilated laptop stand with USB port K25 PRO red
Shipped in 1-3 Days (Mo-Fri)
Shipped in 1-3 Days (Mo-Fri)
In the Offgridtec Electronics category, you’ll find high-performance components for setting up, expanding, and optimizing your solar and power supply systems. The product range includes solar charge controllers, voltage converters, transfer switches, combination units, distribution boxes, and practical accessories for 12V, 24V, and 48V systems.
Our electronic products are designed to safely regulate, efficiently convert, and reliably distribute energy. This makes them ideal for off-grid solar systems, RVs, campers, boats, garden sheds, cabins, workshops, and many other applications where a stable power supply is crucial.
Solar Charge Controllers for Efficient Battery Charging
A solar charge controller is the central link between the solar panel and the battery. It ensures that the battery is charged in a controlled manner and protects it from critical operating conditions. At Offgridtec, you’ll find both rugged PWM charge controllers and modern MPPT charge controllers that make particularly efficient use of the available solar power. Depending on your system, you can choose the right controller for 12V, 24V, 36V, or 48V applications.
Voltage Converters for 230V Appliances
With an Offgridtec voltage converter, you can use DC power from your battery to power standard 230V appliances. Pure sine wave voltage converters are particularly important for reliably operating sensitive devices such as chargers, laptop power adapters, coffee makers, tools, or household appliances. Depending on your needs, you’ll find models for different input voltages and power ranges.
Switching Stations and Grid Priority Circuit
Transfer switches enable safe switching between different power sources. This is particularly convenient when appliances need to be powered either by a battery, an inverter, or shore power. Especially in RVs, on boats, or in off-grid systems, a grid priority circuit ensures greater convenience and a stable power supply.
Combined Units for Compact System Solutions
Offgridtec device combinations integrate multiple functions into a single unit. Depending on the model, an inverter, battery charger, and MPPT charge controller can be combined. This saves space, reduces installation effort, and provides a streamlined solution for mobile and stationary energy systems.
Electronics Accessories for Safe Installation
In addition to controllers and converters, this category also features practical accessories for a clean electrical installation. These include, for example, junction boxes, connection solutions, switches, outlets, and other components for the safe setup of your system. This allows you to connect solar power, battery power, and loads in a clear and reliable manner.
Buy Offgridtec Electronics Online
If you’re looking for solar electronics for your RV, off-grid system, or self-sufficient energy system, Offgridtec is the right place for you. Our products are designed for reliable performance, durable technology, and flexible applications. When making your selection, pay special attention to system voltage, power rating, connection type, load requirements, and compatibility with your battery, solar panel, and inverter.
Do you have any questions? We’re happy to assist you with any questions or concerns. Contact us by phone at 08721 91994-00 or by email at info@offgridtec.com.
FAQ
- What electronic products does Offgridtec offer?
At Offgridtec, you’ll find solar charge controllers, voltage converters, transfer switches, device combinations, distribution boxes, outlets, and other accessories for solar and off-grid systems, among other products. - What is a solar charge controller used for?
A solar charge controller connects the solar panel to the battery. It controls the charging process and protects the battery from critical conditions such as overcharging or improper charging. - What is the difference between PWM and MPPT charge controllers?
PWM charge controllers are simple and proven controllers for smaller solar systems. MPPT charge controllers operate more efficiently and can better utilize the available power from the solar panels, especially in larger systems or under changing light conditions. - When do I need a voltage converter?
You need a voltage converter if you want to power 230V devices using a battery. It converts direct current from the battery into usable alternating current. - What applications is Offgridtec Elektronik suitable for?
Offgridtec electronics are suitable for RVs, campers, boats, garden sheds, self-sufficient solar systems, stand-alone systems, workshops, and many stationary or mobile energy systems. - What should I look for when buying solar electronics?
Key factors include system voltage, power output, battery type, loads, connection type, and component compatibility. The controller, inverter, battery, and solar panels must be technically compatible with one another.