100Pcs 5W 156MM Monocrystalline Solar Cells 6x6 for DIY Solar Panel 500W

I have bought a package of 40pcs for my first build. I am very satisfied with the packaging, and the overall quality of the product.It is way too cheap for this quality. The cells are in an absolutely perfect condition. I had no cracks on any of the cells while soldering, although I was very careful throughout the process. So far I haven't tested the supply power of the cells. The voltage however reaches stable a 5.5V on a sunny day. I can't wait to finish my first solar panel with these and order more.I would recommend for the purpose of soldering that you first buy a peace of glass to place the cells while working (I got 4mm glass board 20x20cm with a sanded bottom which will not slide on the table). Also I would recommend that you take a soft sponge and cut it thin so you can place it on the solar cell and rest your hand on it while working. This will help you not to stain the cell, and it will give you a fantastic grip on the cell so it will be easy to manipulate during soldering.Great product, well worth the money, definitely a must buy!!

Fantastic solar cell , but where is the positive and negative connection ? Derek Freeman on:- derektfreeman@hot mail.co.uk