160W Solar Off-Grid System Kit WATTSTUNDE® 20 A 90 V Solar Charge Controller WLR.BT 20.90 MPPT

160 W Solar Kit Off-Grid System with WATTSTUNDE WLR-BT 20.90 Charge Controller

The convenient start with your own self-sufficient solar power supply

Free yourself from the supply networks and gain initial experience with our solar kits and complete sets.

The complete sets of the Beginner series are carefully assembled, the high-quality components ensure independence from the public power grid. As a special feature, the charge controller can be freely selected according to your wishes.
Take advantage of the opportunity today to electrify your allotment garden, holiday home, or barn - with the 160 W solar kit, a 12 V off-grid system can be built with ease.

Easy installation, quick commissioning and prepared materials make the assembly a breeze!

The set consists of:

• 160 W-HV SOLA Frame monocrystalline solar module with MC4 connectors
• WATTSTUNDE® 20 A MPPT charge controller WLR-BT 20.90 MPPT
• 2 x 5 m solar connection cable 4 mm²
• MC4 connector set (socket + plug) already pre-assembled
• 1.5 m battery connection cable 4 mm² incl. 20 A flat fuse
• Operating instructions for all devices in German

One set - many application possibilities

The sets are the perfect foundation for off-grid power supply and offer a solid basis for a variety of applications. For example, allotment gardens, garden sheds, tiny houses, lighting systems, surveillance systems, self-sufficient exhibition facilities, small holiday homes, boat sheds, or other stationary applications can be supplied with energy.

The practical USB charging function allows for convenient charging of mobile phones, tablets, or laptops. All devices with 5 V (USB, max 2 A) or 12 V (controllable load output) can be charged quickly and conveniently off-grid.

Which charge controller is the right one?

Basically, you can distinguish between two charging technologies: PWM or MPPT.

Pulse width modulation (PWM) is a simple and robust way to charge a solar battery safely and quickly. The stored characteristic curve protects the battery from incorrect currents or voltages, depending on the state of charge, the appropriate values are implemented by the controller. The controllers from the LR-ALCD series are therefore an affordable, yet reliable solution.

In recent years, the modern Maximum Power Point Tracking (MPPT) method is gaining more and more ground.
Intelligent microprocessor electronics constantly determine the operating point with the maximum energy yield. Higher voltages are also optimally utilized for the charging process. Thus, with the controllers of the WSL MPPT series, additional yields of up to 30% can be generated compared to traditional PWM devices.

It is possible to select an "oversized" charge controller. This allows you to retrofit identical solar modules later. If, for example, energy consumption increases or the system was designed too tightly - no problem, simply install another panel, and the solar system simply grows with it!

All controllers feature an integrated LCD display - the voltages and currents of the system are displayed in real time. This way, you can always keep an eye on the power supply.