# DIY Lithium Batteries Micah Toll is an experienced engineer in the DIY Lithium-ion battery pack community, and his guidebook below includes all the basic information you need to know to get started! It's a great read to understand the fundamentals of Lithium-ion batteries and will help you from shopping for cells to welding your own packs. {% embed url="" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.k9rockettech.com/resource-library/software-and-electronics/diy-lithium-batteries.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.