18650 Battery Terminal Insulators - 20pcs - Light Blue Paper - IMR Batteries
High Current 18650 Battery Box Holder Slot Case for DIY Projects – No Soldering Needed, Brass Contacts, Transparent Cover, Interlocking Design, 6-Pack (1 Slot Each), PC+ABS Material – Bistook
Ufobox's pressure-contact 18650 fused connections | Endless Sphere DIY EV Forum
Reprinted the giant battery pack for my xbox controller using an awesome looking translucent filament. Also used 18650 battery contacts for the case this time. : r/functionalprint
How to Make 18650 Battery Holder at Home : 6 Steps (with Pictures) - Instructables
Amazon.com: Bettomshin 50Pcs 18650 Battery Spring Contact Plate, 18650 Battery Positive Negative Conversion Spring Contact Nickeling Plate 18.5mmx16mm Battery Spring Plate : Health & Household
Amazon.com: Aobao 5pcs 18650 Battery Holder 2 Slot 3.7V 18650 Battery Clip Holder Box Storage Case with Soldering Pin Copper Contacts for 18650 DIY Charging Power Supply, Electronics Accessories : Electronics