Legality in the States in 2025:
- Ebike Laws by State 2025: What Every Rider Should Know
- Swytch kits: "They are made to order and comply with the highest standards in eBike battery safety regulations worldwide including CE, UKCA and UL2271"
- Overview of worldwide standards
UL Certification:
- What does it mean for something to be UL 2849 Compliant?
- What is UL Certification and Why is it Important for Batteries?
- Battery Safety Testing and Certification (UL.com)
- E-Bikes Certification: Evaluating and Testing to UL 2849
- Legal E-Bike Conversion Kits: Where to Buy in 2025
- Notably:
- 3. Swytch – London, UK (Ships Worldwide)
- Highlight: Featherweight 250 W front-hub kit that snaps on/off with a quick-release power pack.
- Compliance: Certified to EN 15194 (EU) and CPSC wattage limits for U.S. customers.
- List of battery packs that are UL certified?
Battery Repair and Replacements:
- SWAP-E Swytch Adapter (https://www.swap-e.co.uk/) - "This kit allows any 36V third party battery to be used instead."
- Adapters for both Gen2 and Gen3 are available
- To be used with a generic battery like this which is UL2271 Certified
- Found from this thread: "Solution for Swytch Kit Users Needing Battery Replacements or Longer Range", namely this post
- Swytch Max Battery Teardown
- I Built a TINY E-Bike Battery— How Far Will It Go?
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