Portable refrigerators run on a compressor just like your kitchen fridge and freezer and keep food fresher a lot longer than ...

However, most of us can't stay tethered to a wall outlet. Thankfully, you don't have to. The battery market is packed with options that can boost your phone's battery life no matter where you are.

Recreational vehicle startup Pebble returns to the show this year with its battery-powered Flow electric RV, which is now closer ... accessories like bike racks and redesigned the tail light ...