The 9V battery is used in smoke detectors, fire alarms, toys, testing equipment, and other electrical devices. We have 9 Volt alkaline, rechargeable nickel metal hydride, and high performance lithium batteries from name brands such as Duracell, Energizer, Rayovac, Ultralife, and Varta. If you would like to inquire about our 9V battery program, please go to our 9V Donation Page.