Collections
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Education Programs
Helping youths learn more about DIY batteries, PCBs, and electronics by encouraging them to tinker and build so...
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EV Batteries
Electric Car Lithium Battery Modules Mostly NMC chemistry but some LiFePo4 available ...
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Experienced DIY-er
Cells, components and kits for the experienced DIY-er.
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Gift Cards
Give the gift that keeps on giving, the gift of DIY. JAG35 Gift...
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Headway 12v Battery Build Project
Jehu Garcia teaches you how to build your own DIY 12v LiFePO4...
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Jehu's Specials
Jehu's hot specials, get them while supplies last!
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Lead Acid Replacement
Replace your old tech lead acid with lithium batteries. Get twice the...
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LiFePo4 Cells
Jehu Garcia's choice LiFePo4 cells, available at JAG35.com
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Lithium-ion Batteries
Lithium ion batteries tend to have higher energy density compared to LiFePO4...
