10 micro pencils AAA batteries. Energizer has been at the forefront of battery production since 1896, when it developed the world's first residential battery.

Our spirit of innovation and unwavering commitment to performance and responsibility have made us the leading manufacturer of household appliances and the best-selling brand of special and rechargeable batteries worldwide.

From our everyday alkaline batteries to our long-life and high-quality Max batteries with PowerSeal technology, to high-performance lithium batteries, which are proven to be the longest-lasting AA and AAA size batteries in the world, from the unparalleled quality of our special batteries to the performance of our rechargeable batteries - Energizer gives you positive energy you can trust. Battery performance you can always trust.