Verry good. I rekomend.

First of all, I would like to mention the customer support, as I had an incredibly good experience with the company in terms of communication and information throughout my order. The order was hassle-free. I discussed my requirements with customer support and received several offers that were customized for me. The best price-performance ratio was openly explained to me. There was never any temptation to sell me the inferior product. Once the details of the shipping and payment method had been finalized, my order was processed as quickly as possible. I was then able to process the payment via Alibaba Buyer Protection. Once the order was ready to ship, I just had to wait and was continuously notified by customer service about the location of my package. After just over a month, my order arrived at my doorstep undamaged. After a few tests, it turned out that the battery was in perfect condition. Thanks to the enclosed instructions, it was also no problem to connect the battery modules to