Duracell® Coppertop® 9V Batteries W/ Duralock Power Preserve™ p/n MN1604 / 4133352448

THESE ALKALINE BATTERIES HAVE BEEN ENGINEERED TO DELIVER JUST THE RIGHT LEVEL OF POWER FOR MOST OF YOUR HOUSEHOLD NEEDS. PLUS THEY'RE GUARANTEED FRESH FOR 7 YEARS. MANY OF THE DEVICES YOU USE IN YOUR HOME ARE POWERED MOST EFFICIENTLY BY DURACELL® COPPERTOP® BATTERIES INCLUDING TOYS REMOTE CONTROLS FLASHLIGHTS CALCULATORS CLOCKS SMOKE ALARMS PORTABLE ELECTRONICS AND MORE. THE DURALOCK POWER PRESERVE™ SYSTEM IS ENGINEERED TO PRESERVE POWER IN STORAGE. BATTERIES TRANSFORM CHEMICAL ENERGY INTO ELECTRICITY TO POWER YOUR DEVICES. IF THERE'S A CHEMICAL REACTION IN STORAGE THE ACTIVE INGREDIENTS ARE OXIDIZED OR WASTED DECREASING YOUR AVAILABLE POWER. BY DESIGN DURALOCK PROTECTS THE POWER INGREDIENTS TO HELP RETAIN CAPACITY.