You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what kind of battery does kindle fire have?" whose answer is 4400 mAh.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Kindle Fire battery type
Useful Output:

Doc 1: With the right tools a Kindle can be opened - I've done it. There are plenty of aftermarket battery replacement kits available.
Doc 2: This guide shows how to replace your Kindle Fire HD 10 (7th Generation) Battery. The batteries wear out over time due to repeated charging cycles.
Doc 3: This is a replacement compatible with a Amazon Tablet Battery · Volts: 3.8V (3.8 Volts) · Capacity: 6200mAh (6.2Ah) · Type: Li-Polymer · Color: Black · Amazon Kindle
Doc 4: Swap out a dead battery for a new one This wikiHow will show you how to replace the battery in different models of the Amazon Kindle.
Doc 5: 4750mAh-6300Mah Battery MC-31A0B8 26S1015 For Amazon Kindle Kindle Fire HD 10.1 7Th SL056ZE 8 7th Gen 2017 Release SX034QT. ※Battery Model: MC-31A0B8