Battery kits & packs

DIY battery kits

21700 kits organized from 2S2P to 8S2P. Choose the hardware and cell option that fits your build.

21700 DIY battery kits

Choose your series configuration, then select kit only or a cell-inclusive option. Every kit requires assembly. Product renders illustrate an assembled layout; the selected option determines what is included.

Build with the right protection

DIY kits require experienced assembly, matched cells, insulation, suitable protection and fusing, and testing. Read each product’s contents and safety instructions before ordering. Read battery safety guidance

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