Amazon.com: BestTong 18650 Battery Case Holder, 2 Slots 3.7V DIY Battery Storage Box in Parallel or Series Plastic Batteries Case with Clips Pins Contacts for Soldering 2 x 18650 Pack of 2 : Electronics
Battery Holder Case Clip Box for 4X 18650 15V Li-Ion Batteries w/ Leads – Envistia Mall