So, to cut corners, I found the EverStrong T Bar Row platform. I popped one in my Bose 25 headphones and it supplied more than 30 hours worth of energy. Excelente inversión” transparencia y grosor” Added bonus of fold down hooks that stay flipped up or down firmly in place. Error. I went for the large size in the black colour. Update:I’ve now had these for 6 months and I have been working 6 days a week with 8-hour shifts and sometimes I even pulled 16 hours. That is until I tried to pull the cable lock out to discover that it is barely held on with a flimsy plastic Tab and at the first pull the entire thing broke off. stuck back up and fell down the same day. Other than that, I am pleased.