Energizer MAX D Batteries (6 Pack) D Cell Alkaline Batteries Keep your high-drain devices running with Energizer MAX D Alkaline Batteries. Energizer provides long lasting power for your everyday devices whether you need replacement D cell batteries for high-tech flashlights or backup batteries for your child s toys. Made to last not to leak these Energizer D batteries have a shelf life of up to 10 years so they re ready to keep your devices operating when you need them most. Depend on Energizer MAX D batteries to fuel your everyday electronics whether you re at home work or play.