Topic

18650 cells

5 videos. Ranked by independent recommendations, not by views.

1. 

   1 DIY Battery Spot Welder - Demonstration & Explanation

   darkkevind 4 people · 5 months · since Nov 2017

   Offered as a demonstration of joining battery tabs by spot welding, the method favoured over soldering cells, with a homemade welder needing few parts.

2. 

   2 Fake ebay batteries 18650

   Epic Hardware 3 people · 4 months · since May 2015

   Linked as a warning example of counterfeit 18650 cells, opened up to reveal filler material around a tiny real cell.

3. 

   3 THERMAL CAMERA Imaging of Soldering Vs Spot-Welding 18650 cells

   EbikeSchool.com 3 people · 3 months · since Sept 2018

   Cited as evidence in the debate over soldering lithium cells, using thermal camera footage to show heat reaching deep into the cell compared with spot welding.

4. 

   4 Building a 3.5kWh DIY Solar Generator for $650 - Start to Finish

   Lithium Solar 3 people · 3 months · since Jun 2020

   Recommended as a walkthrough of assembling a large 18650 lithium-ion battery bank in a toolbox for about $650, useful for costing a custom pack.

5. 

   5 Test: 18650 Shorted and go BOOOOM!! Or?

   DIY Tech & Repairs 3 people · 3 months · since Mar 2017

   Referenced for its 18650 short circuit tests, which suggest most cells run hot without drama, although one reached a dangerous temperature.