This 9V PP3 alkaline battery offers dependable, long-lasting power for a variety of model railway tools and accessories. Ideal for multimeters, continuity testers, and other essential devices, it ensures consistent performance during layout maintenance and testing. Its compact design fits perfectly into most testing equipment, making it a reliable addition to your toolkit. Whether you're troubleshooting electrical connections or powering small devices, this battery provides the trusted energy you need to keep your railway projects on track.