GuidesHow to Choose the Right BMS for Your Battery Pack
A Battery Management System protects, balances and monitors your cells. Here's how to match the right BMS to your pack's voltage, current and chemistry.
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Components18650 vs 21700: Which Lithium Cell Is Right for Your Build?
The two most popular cylindrical cells compared on capacity, current, cost and pack design — so you can pick the format that fits your project.
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TutorialsSpot Welding Nickel Strips: A Beginner's Guide
Soldering directly to cells damages them. Spot welding is the safe, professional way to build a pack. Here's the workflow from strip to finished pack.
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ProjectsConverting Your Scooter to Electric: Where to Start
Thinking of building an e-scooter? This roadmap covers motor sizing, battery voltage, the controller, and the components you'll source from NexEV.
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SafetyLithium Battery Safety: 7 Rules Every Builder Should Know
Lithium packs are safe when built correctly. Follow these seven non-negotiable rules to protect yourself, your build and the people around you.
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GuidesPicking the Correct Charger for 1S / 2S / 3S Packs
Voltage, current and connector — the three things that must line up between your charger and your pack. A quick reference for small lithium builds.
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