Description: Feature: brand new and high quality. AAA 10440 Placeholder Cylinder Fake Battery. Works as occupying the vacancy of battery compartment and conducting electricity This is not a battery and fake battery ,it is a placeholder, the station is a resistor, there is no voltage, only the role of conduction, can not be charged, can not be used alone,Can only be used with lithium iron phosphate battery and lithium battery. First of all, this is not a battery, so the name written is a fake battery. This is a conductor made into the shape of a battery. It is used to occupy the position of the AAA battery compartment and is conductive. How to use: If your product uses 2 AAA batteries, you can use one rechargeable 3.2V Lithium iron phosphate battery plus one fake battery to replace 2 AAA batteries,2pcs 3.2V lithium iron phosphate batteries plus 2pcs Fake Batteries to replace 4 ordinary AAA batteries. Specifications: Item Type: AAA Dummy Fake Battery Placeholder Material: Plastic+Metal Size: AAA,44x10mm Fake Battery Type: AAA Color: Blue Quantity: 1 Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1x Dummy Fake Battery