The MOS Go is a USB powerbank with a sizeable 12000mAh capacity, but it also has an extra handy hook for anyone with a new USB Type C-capable laptop like the 12-inch Apple MacBook or the HP Spectre -- it can charge these significantly larger, more power-hungry notebooks through its high-power reversible output. After a long wait, it's now on sale.
12000mAh means 44.4Wh capacity and the ability to charge a USB-C MacBook to 75 per cent of its battery from empty, which is pretty damn impressive considering we've clocked that tiny, super-thin laptop at around nine hours of usable life from a full charge. If you just want to charge a phone, that 12000mAh should mean up to four complete recharges of an iPhone-sized battery, or a couple of iPads worth.
Unlike most USB batteries already on the market, the MOS Go uses a USB-C port for power input as well as power output (alongside one legacy USB Type-A full-size output port), and this means it should be able to recharge pretty quickly. MOS also has new, more flexible spring-terminated cables on the way that it says should soon be available.
You can buy the MOS Go for a not-insignificant $US119.95 here, which is a lot of money for a simple battery but justifiable if you have a modern USB Type-C laptop and you find yourself running out of charge more often than not. MOS also has a video explaining the difference between its Go powerbank and other, lesser batteries: