We briefly reviewed battery chargers in a previous post “The Best Rechargeable Batteries of 2013“. But let’s take a look at the best “Universal Battery Chargers”. These are chargers that can handle AAA, AA, C, D sized cells, and well as 9V cells.
Orikaso, a design firm in the U.K., has released these foldable polypropylene cups, bowls and plates for backpacking or travel. They can actually hold liquids without leaking.