I ordered 2 lots for Christmas to replace my aging original batteries. Of the four, one of the batteries in the right burnt loading (brown back while ..) So I did a mail with picture of Big Ben for service to ask if there was a possible exchange. Radio silence. no response ever since (we are in June ..) There is no point of being the market leader for not taking customers seriously. products of this brand I was full for the various consoles of the house. I am disappointed for that. For other batteries, they work correctly even if it is far from autonomy 30h announced ...
