Energizer Max Alkaline 9 Volt Battery 522, 2 Count

2 packs of 2 each, total of 4 Designed for long-lasting performance in the broadest range of device application No added mercury means Energizer max is an environmentally responsible battery that can be disposed of with regular household trash Reliable portable power that maximizes fun, productivity and safety Check 2513x2 number/ size before ordering replacement battery