JUST ADDED!

Built LEV60 24v FAT

Our popular fully-built 24v LEV60 battery is now available in a FAT version to better fit your project battery boxes and compartments.

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JUST ADDED!

Working Battery 36v 2kWh w/ LG 21700 cells

Now available in a "working" version with XT connectors, outer case included. Limited stock available, so get yours now!

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FREE SHIPPING!

LIMITED-TIME DEAL 1: Four (4x) Chevy EV battery modules (24 kWh), only $100/kWh + FREE SHIPPING! Limited time deal, so act now!

Shop 4x Chevy EV battery deal now!

FREE SHIPPING!

LIMITED-TIME DEAL 2: Four (4x) RAV4 Tesla-made EV battery modules (25.56 kWh) + FREE SHIPPING! Limited time deal, so act now!

Shop 4x RAV4 EV battery deal now!

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A shop for DIY-ers, by DIY-ers

JAG35 is the DIY lithium sanctuary for the fearless few. We cater to the unafraid tinkerers, the garage Einsteins, the rebels of the rechargeable revolution. Because here, you build your own darn power.

JAG35 offers: Great lithium cells (no junk, just the good stuff), experienced know-how (we spill the beans on everything lithium), and a supportive community (DIY-ers unite, share your projects, swap stories, and avoid fiery mishaps). Remember, with great power comes great responsibility (and awesome builds).

JAG35 is NOT for: The faint of heart, folks expecting customer service with a smile (we're more like a smirk & helpful nudge place), people who think safety glasses are optional (by the way, we disclaim all liability for any eyebrows singed in the pursuit of battery nirvana. We jest... mostly).

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