Labels Milestones
Back, diameter=21.8mm, Bourns, 2100, http://www.bourns.com/docs/Product-Datasheets/2100_series.pdf?sfvrsn=3 L_Toroid Horizontal series Radial pin pitch 7.62mm length 26mm diameter toroid L_Toroid, Horizontal series, Radial, pin pitch=3.50mm, diameter=8mm, height=11.5mm, Non-Polar.
- 18650 cylindrical cells http://www.keyelco.com/product.cfm/product_id/918 Keystone type 2993 negative.
- Connector, 20 bottom-side contacts, 1.0mm pitch, 1.0mm.