This Panasonic 15.6v 3.5Ah Ni-MH battery (model EY9231) is a reliable choice for power tool users. The battery technology is Nickel-Metal Hydride (NiMH) and it comes in a sleek black colour. With a battery capacity of 3.5Ah, this battery is perfect for DIY enthusiasts and professionals alike. It is compatible with a range of power tools and air tool accessories, making it a versatile addition to your workshop equipment. Don't miss out on this opportunity to upgrade your power tool batteries collection.