Quantity   Component name
1 × Non-working Treadmill from Craigslist - Free The guy who listed it said the controller had some kind of issue - stuck in demo mode and no stop key. Don't care, took it apart. Thanks Dave Jones!
1 × 18650's from discarded/salvaged laptop batteries - Free http://www.electricbike.com/wp-content/uploads/2013/03/AllcellPCM.png