Amazon.com: 18650 Battery Case Holder, 4 Pcs 2 Slots x 3.7V DIY Battery Storage Box, in Parallel Black Plastic Batteries Case for 2 x 18650 Ltvystore : Electronics
18650 Battery Holder Parallel, 4-Slot 3.7V 18650 Battery Storage Box Case with 8 6-inch Bare Wire Leads [2-Pack] : Amazon.com.au: Electronics
PARALLEL Battery Holder for Two 18650 Lithium Batteries