Collections
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18650 Cells
Shop high-performance 18650 lithium-ion cells for DIY battery builds, power tools, e-bikes,...
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21700 Cells
Browse premium 21700 lithium-ion cells designed for higher capacity and power output....
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All Products
Explore the full RenewSpark catalog of batteries, battery packs, and DIY parts....
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Battery Cell Cases & Holders (for individual cells)
Protect and organize your cells with our durable battery cases and holders....
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battery pack kit
Discover DIY battery pack kits designed for power tool enthusiasts and makers....
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Battery Packs
Find ready-to-use and custom battery packs built with high-quality lithium-ion cells. Designed...
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Battery Rebuild Service
Extend the life of your tools and equipment with RenewSpark’s expert battery...
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Cases & Housings (for tool packs)
Protect and extend the life of your power tool and e-bike batteries...
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Cells & Materials
Discover high-quality lithium-ion cells and essential battery building materials at RenewSpark. From...
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Connectors & Contacts
Find high-quality connectors, terminals, and contacts designed for secure and reliable battery...
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Custom Battery Packs
Discover professionally built custom battery packs designed to match your exact energy...
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DIY Components
Build and repair your own battery packs with RenewSpark’s complete selection of...
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E-Bike & Scooter Packs
⚡ E-Bike & Scooter Battery Packs Power your rides with high-performance lithium-ion...
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E-Bike & Scooter Rebuilds
⚡ E-Bike & Scooter Battery Rebuilds Bring new life to your ride...
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Miscellaneous Parts
Miscellaneous Parts Explore a wide range of miscellaneous battery parts and accessories...
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Nickel Strips & Fish Paper
Nickel Strips & Fish Paper – Reliable Battery Building Materials Discover high-quality...
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Power Bank Cases
Keep your devices powered and protected with our durable power bank cases....
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Power Tool Packs
Discover high-performance power tool battery packs at RenewSpark, designed to deliver reliable...
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Shrink Wrap & Insulation
Protect and secure your battery packs with RenewSpark’s shrink wrap and insulation....
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Tool Battery Rebuilds
Tool Battery Rebuilds Bring your old power tool batteries back to life...
