Long lasting and reliable energizer max d batteries provide dependable power for household devices with powerseal technology they lock in energy for up to 10 years so they39re always ready to go product specification battery size d rechargeable no battery type alkaline voltage 15v barcode 07638900410457 product type d batteries product family max form factor battery colour blacksilver pack quantity 1 pack each containing 2 total 2 pieces brand energizer energ