Amazon.com: Package of 4 D-Cell Battery Holders for Parallel or Series Connections : Electronics
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
Plastic AA Battery Holder, Series or Parallel, Pack of 4
Overview of Batteries in Series or Parallel - Battery Products - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
2x18650 Parallel Battery Holder | Open ImpulseOpen Impulse
Amazon.com: Package of 4 D-Cell Battery Holders for Parallel or Series Connections : Electronics
MAHA Rectangle In Parallel 2-Wired 4 x 3.7V 18650 Battery Holder Case Black
PARALLEL Battery Holder for Three 18650 Lithium Batteries