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How to build a Lithium-Ion Battery System for less than $400 per kWh | by Joe O'Connor | Off Grid Solar | Medium
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DIY Lithium Batteries: How to Build Your Own Battery Packs: Toll, Micah: 9780989906708: Amazon.com: Books
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Lithium Ion Polymer Battery - 3.7V 10050mAh (10 Ah) : ID 5035 : $29.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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