One of the most powerful upcoming rivals to the Steam Deck, the GPD Win 5, is set to launch in just a few weeks time, but its maker is already showcasing an experimental new feature that it hopes will make it lighter and easier to use. In a recent video, GPD has shown off a new battery extension cable for the gaming handheld that allows you to detach the battery to make the device lighter and easier to use.Unusual battery options aside, this AMD Strix Halo-powered GPD handheld looks set to take portable power to a new level with specs that easily best those of any other model on our best handheld guide. There's already been an GPD Win 5 performance teaser showing it playing Black Myth Wukong with a high and steady frame rate, and we were impressed by the same 16-core AMD Ryzen AI Max+ 395 CPU that this handheld uses in our Asus ROG Flow Z13 review, but we'll still have to wait and see just how well the Win 5 performs ourselves. Continue reading This new Steam Deck rival wants you to stick its battery in your pocketMORE FROM PCGAMESN: Best graphics card, Best gaming PC, Best SSD for gaming