Customer ratings

I ordered the module for trickle charging, to be mounted in the sliding-door garage. It's nice and compact and well-made. Depending on the position of the sun, it produces between 10 and 40 watts. That's plenty for trickle charging throughout the week. During the day, it also covers a good portion of the typical daily power consumption (navigation, autopilot, refrigerator). A short motor trip in and out of the harbor fully charges the batteries. I'm very happy with this solution.

Excellent product; the construction seems very robust, the cells are sandwiched within the ETFE coating. I just installed it, glued with Sika 291UV, directly onto the deck in front of the companionway. I'm ordering another one right away to install in front of the mast.

Does what it's supposed to at a good price.

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After 6 months I am very satisfied. I removed the metal eyelets and screwed 2 directly onto the deck, slightly bent. Even if the manufacturer shirks his responsibility, they are made of the perfect material to walk on. The surface is also perfectly slip-resistant, although we try to avoid transverse loads as much as possible. I am now ordering 4 more for the deck.
I mounted 4x 150s on the bimini. However, they were too heavy for that and I had to reinforce them with light plastic tubes. It looks ugly, but is now very stable. We have just spent 4 days at anchor at 25-35kt, as well as around 6000nm at up to 45kt, and it holds. I also drilled out the eyelets and replaced them with the small Tenax. (They do corrode though!)

The solar panel was placed on neoprene tape (strips) and screwed on.

Good product works well

Solar panel attached to MPPT Victron Energy 7515 with yield above expectations. Very strong material with minimal weight. Recommended not only for maintaining beating.

The product survived the transport from Germany to the Azores well - the packaging was more flexible than cardboard. That shows good quality. The panels were attached to the bimini with screws and washers. The use in the first 5 months went without any problems (2 panels of 155Wp each). We will order another panel as a replacement and mobile extension.

Bought this as a small panel to keep the batteries topped up when I'm not on board. Combined with a Votronic charge regulator, it works quite nicely. Stows inside my chart table, which is one of the safest places I can keep it to avoid accidental damage. Feels fairly robust though.

Product flawless and the advice exemplary.

In reality this panel was also very good in terms of efficiency, size, weight, and ease of assembly; It's a pity, however, that due to the high atmospheric temperatures reached in July this year, the panel has practically ceased to function. Now even with normal, or even warm, temperatures, it delivers low voltages below what is necessary for the MTTPs to be switched on, or even delivers zero Volts!! I will replace it with an SPR 120 hoping it will last longer!!

Unfortunately, after a year of use, it suddenly stopped working. Since it was outside the two-year warranty, there was no support from the manufacturer. I would have expected more from a German solar company. You might as well buy from China.