While 9 volt batteries may not be the most common kind of battery, it’s one type that you definitely want to have on hand. Plenty of devices rely on 9 volt batteries for power, including clocks, smoke detectors, toys, and devices like walkie talkies. These rectangular-shaped batteries are large, and they deliver a lot of power via six cells in a single battery wrapper. Available in a number of different forms, including carbon-zinc and alkaline as well as rechargeable lithium-ion and nickel-cadmium, choosing the right 9 volt battery means you have a lot of different options to consider. If you’re looking for a reliable, quality 9 volt battery to power your devices or gadgets, you can check out some of the best options right here.