Coca-Cola hasn’t shared specifics on how long the vending machines can be powered before their hydrogen cartridges need to be replaced. Cutting the power cord potentially allows these new ...

The constant high power draw can cause the extension cord to overheat and even potentially catch fire. That's dangerous for a machine that already gets hot as it is. Microwave ovens draw a ...

But the key change is the inclusion of a battery pack, allowing it to function without an attached power cord. The addition means the Google-owned machine qualifies for the final round of a ...