Duracell - Battery Alkaline All Purpose 9 V - Case Of 12 - 2 PkNo. 1 trusted brand. Guaranteed 5 years in storage. Guarantee: if not completely satisfied with this alkaline battery product, call 1 800 551 2355 (9: 00 am 5: 00 pm est). Duracell guarantees these batteries against defects in materials and workmanship. Should any device be damaged due to a battery defect, we will repair or replace it at our option. Www. duracell. com. Contains batteries from u. s. Or foreign countries as marked on battery. country of