Materials and Processes: EBL D size washers are made of high quality non-toxic ABS plastic - and durable materials extend battery life Safe and Reliable: The gasket protects the battery from smooth edges and does not scratch the battery surface.
EBL D Size Battery Adapters, AA to D Size Battery Spacer Converter Case Use with Rechargeable AA Battery Cells - 4 Pack D Size Spacer 4pcs
Coast 21326 435-Lumen Fl75 Pure Beam Focusing Headlamp Clam Pack
Batteries
AAA : Batteries at Target Essential Power for Your Devices
C Batteries - 8ct - Up & Up™ : Target
Durable, long-lasting power All-purpose batteries Mercury and cadmium free 1.5V and 1100mAh High quality and affordable
Kratos Power High-Performance Ultra Alkaline AAA Batteries (10-Pack)
The Coast G22 LED flashlight in black, compact, light weighs 1.41 oz and features a convenient pocket clip. 2 lighting modes (100 lumens on high, 45 lumens on low) give options for brightness and runtime (1.75 hr on high, 5.5 hr on low). Packaging includes 1 x AAA battery. Features include Coast's bulls-eye spot beam optic and IP54-level water resistance.
Coast Flashlight, G22
Energizer Max Aaa Batteries - 4pk Alkaline Battery : Target
Energizer Max Aaa Batteries - 4pk Alkaline Battery : Target
Energizer Max Alkaline AAA Batteries, 10 Pack
Duracell Rechargeable AAA NiMH Battery (4-Pack) 004133366160 - The Home Depot