Amazon.com: YXQ 18650 Battery Cell Holder Spacer Single Bracket Storage Box Protection Board for DIY Battery Pack (60Pcs) : Electronics
HTTX 18650 Battery Holder, 2-Slot 3.7V 18650 Battery Storage Box Case with ON/OFF Switch 6inch Bare Wire Leads - - Amazon.com
Amazon.com: 18650 Battery Case Holder, Ltvystore 12 Pcs 2 Slots x 3.7V DIY Battery Storage Box, in Parallel Black Plastic Batteries Case with Pin for Soldering 2 x 18650 : Electronics
Amazon.com: 4Pcs 18650 Battery Holder,3.7V 18650 2 Section High Temperature Resistance Black Battery Container Case Battery Storage Box Power Bank Charger, for SMD 18650 DIY Charging Power Supply : Electronics
Amazon.com: Adeept 2Pcs 2 Slots 18650 Battery Holder Case with Wire and 2.54mm JST Connector, Batteries Connected in Series 7.4V, Solderless Battery Storage Box Holder for DIY Projects : Electronics