Duracell is the #1 trusted battery brand; Duracell Rechargeable batteries are available in Double A (AA) and Triple A (AAA) sizes ...

Listen up: We tested 15 AA batteries—the type ... the cycle until the batteries die. Battery life was 7.3 hours for an Energizer, 6.8 hours for a Duracell, and 4 hours for a Toys "R" Us battery.