Amazon.com: Ltvystore 18650 Battery Case Holder, 5 Pack 3 Slots x 3.7V DIY Battery Storage Box, in Parallel Black Plastic Batteries Case with Pin for 3 x 18650 : Electronics
1048 - Keystone - Battery Holder, 18650 x 2, SMD
18650/ 21700 Battery Slot Battery Case Box Holder with Cover No Need Welding HAU | eBay