a VirtualTourist member
I just wondered if anyone had successfully done this without frying the device - also without using a computer (USB) port - I have only a voltage converter and plug adapter. It should work but I'm not confident.
If you have a voltage converter you should be ok.
Get yourself a USB charger that plugs into an electric socket; I bought one for about $20 Cdn and can plug in two different USB cables to charge devices at the same time. These tend to be for 100V - 240V. Plug your Kobo directly into this. I seem to remember some Cuban hotels run on 110V while others are at 240V, so you should be fine.
Most devices that are battery powered use universal power supplies that work all over the world. All you have to do is ensure that you have an adaptor for the plug itself.
Look on the charger plug. It should say something like 120-240 v. Mine says 100-240 v.
This means all you need is a plug adapter so your charger fits the wall socket. If you don't have similar numbers, you will need a voltage converter. These are not absolutely foolproof but nearly so. We once had a converter blow a fuse and fry an electric toothbrush, but it was a very old converter and we haven't had any other problems. I strongly suspect you have a dual voltage charger and don't need to worry.
Haven't been to Cuba so can't give advice on that.
My chargers are dual voltage, so I just use the adaptor plug. I charge my e-reader and camera battery frequently, and I haven't fried anything yet.
Most hotels have both 110 and 220 sockets - you should be fine.