Guillermo del Toro's The Devil's Backbone

AIMPGSTL 4PCS 18650 Battery Holder with Extend Button Switch Leads Battery Case Box for Arduino Project Electronic Circuit, 3.7V 1/2/3/4Slots 18650 Battery Holder Box

FORIOT 2Pcs 18650 Battery Holder Li-ion Battery with Single Compartment Support USB 5V/2A 3V/1A V3 Battery Shield Charging Module with USB to MicroUSB Charging Cable

LampVPath (Pack of 4 AAA Battery Holder, 2 X 1.5V AAA Battery Holder with Leads

DIANN 10pcs AAA Battery Holder with Switch ON Off Case Back Cover 2X 1.5V Batteries Charger Holder Spring Clip Storage Box Cell Cable

2xAA Battery Holder with Female Dupont Connector Cable, 2 Pieces – Holds Two 1.5V Batteries Each, No Batteries Included, Durable AA Battery Pack for DIY Electronics Projects

ACEIRMC 4pcs 18650 Battery Holder 4 Slot 3.7V 18650 Battery Clip Holder Box Storage Case with Soldering Pin Copper Contacts for 18650 DIY Charging Power Supply, Electronics Accessories (4Slots)

DGZZI 18650 Battery Storage Case 2PCS Single 18650 Battery Holders Boxs with Extend Button and Wire Leads for Arduino Project DIY Electronic Circuit

QTEATAK 4 Pack 4 x AA Thicken Battery Holder with I Type Wired Battery Clip Standard Snap Connector