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
Amazon.com: 18650 Battery Case Holder, 3 Pcs 3 Slots x 3.7V 11.1 Volt DIY Battery Storage Box, in Parallel Black Plastic Batteries Case for 3 x 18650 Ltvystore : Electronics
BeilaMoo 18650-PC8, ABS Battery Holder For 4 x 18650 Li-ion Cells
18650 x1 x2 x3 x4 Parallel/Series Battery Case Holder Extend For Battery 67-72mm | eBay
SENRISE 1/5PCS 18650 Serial/Parallel Battery Holders Battery Holder Box Case (Batteries are not included) - Walmart.com
Amazon.com: 18650 Battery Case Holder, 3 Pcs 4 Slots x 3.7V 14.8 Volt DIY Battery Storage Box, in Parallel Black Plastic Batteries Case for 4 x 18650 Ltvystore : Electronics