Pro Tip: Click here to get an Unlimited Kindle subscription from Amazon. If your Kindle Paperwhite (found on Amazon, here) doesn't charge, it's usually fixed by restarting the device.
There are many reasons your Kindle Paperwhite won't charge. It could be due to a faulty cable, or some simple technical issues. The best way to fix it is to restart your device by pressing the 'power' button down for 20 seconds. If this doesn't work, then lay it down for half an hour whilst connected to its charger. When the wait is over, restart it again.
Kindle Paperwhites (purchase from Amazon here) are fantastic devices that give you all the benefits of Kindle. However, these devices sometimes encounter issues with their charging systems.
If your Kindle still doesn't charge restarting then try the following methods: