6 Pack Alkaline C Batteries - Long Lasting Power for RC Toys, Flashlights, Clocks & More - Premium High-Performance Batteries for Kids Toys and Household Devices

Overall, I am just reviewing batteries in general, but Duracell batteries top them all. They just are the long lasting qualty that you need. However, they may last long when in use, but they don't last long in storage. If you have spare batteries, you'll want to change duracells espicially once every year. Otherwise Duracell are the best