Your Kindle has a decent battery life (depending on the model you pick up). But you will have to charge your device once in a while. You may not always have access to a power source though, especially during emergencies. These 3 Kindle chargers let you to power up your device during emergencies and power outages:
HY-88 Emergency Dynamo Solar Self Powered Charger: a compact and lightweight charger for emergencies. It can be charged using the hand crank or solar power. This has AM/FM radio too.
K-TOR Pocket Socket Hand Crank Generator: a portable hand crank generator that can charge mobile phones, radios, flashlights, and e-readers. It has a large crank arm that is easy-to-grip and operate.
Ambient Weather WR-111 Emergency Solar Hand Crank Charger: an emergency radio with a hand crank generator. It can be charged using solar and USB power. The device has a 800 mAh battery inside.
These chargers are not perfect but come handy during emergencies. They can get you unstuck when you don’t have access to a power outlet.