These battery spring plates are ideal for anyone looking to replace or upgrade the battery contacts in their electronic devices. Made of iron, they offer excellent conductivity and resistance to wear and tear. Easy to install, they provide a connection for your AA batteries, ensuring optimal performance of your gadgets. Features -Color:Silver -Material:Iron -Size:2.00X1.20X1.00cm/0.79X0.47X0.39in -Consistent performance: the spring plate design allows consistent and battery contact -Aa battery use: designed for aa batteries, making it suitable for toys, remote controls, and more -Robust material: crafted from iron material, this battery charger conversion spring is fit for longlasting use -Easy to use: quick and easy installation for convenient battery replacement -Multiple applications: the battery charger conversion spring is ideal for various electronic devices and toys, meeting diverse needs Package list: 20 x sets of positive and negative contact plates