Hot water is like internet connectivity for most Verge readers: you just expect it to be there. But that’s unlikely to be the case this summer when tent camping at a music festival or road-tripping into the great unknown. That’s where BougeRV’s battery-powered shower comes in. The $310 “Portable Propane Outdoor Camping Water Heater” from BougeRV is not only optimized for search engine discovery, it also delivers a luxurious spray of hot steaming water to the unwashed, be they human, canine, or stubborn pots and pans. Charge up the battery, attach a propane canister, drop the pump into a jug of water, and you’re ready to get sudsing. It’s so useful and flexible that I’ve ditched my plans to install a permanent shower cabin and expensive hot water system inside my adventure van, even if I don’t completely trust it. $310 The Good Battery-powered portability Temperature control Adjustable flow to save water Lots of safety features The Bad Lots of hoses and cables to snag Weak shower head holder No bag to carry all the …