Features: Safely power your devices with the lr20 D Size Battery Placeholder Conductor Shell, fake battery connection maintaining compatibility with lr20 battery compartments. Crafted from steel for durability and conductivity, this placeholder ensuring secure connection without short circuiting risk. Ideal for hobbyists, electronics repair specialists, and home users battery compartment adapter for low power devices. Reduce battery waste with these lightweight conductor shell suitable for lr20 D sized compartments. Used in series with rechargeable batteries, only in series, not in parallel, short circuit design. Specifications: Component:Steel Color:Red/Green Size:Approx.58mm/2.28inch Package Includes: 1Pc Fake Battery Placeholder note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.