Your electronic products such as electronic toys and portable audio players use more energy than ever. Make these products last longer with alkaline batteries from PowerLife. Features • Alkaline technology is ideal for high-drain devices • Alkaline batteries are 6x better than the average zinc-carbon battery • Battery life is up to 5 years • When batteries are not used, they lose energy. We guarantee that the battery will retain at least 80% of its original energy during the specified shelf life. • These Philips batteries are guaranteed free of harmful heavy metals such as cadmium, mercury and lead. E-block 9 volt, 6F22, blister pack of 1 piece. More power and lifespan thanks to the Philips graphite technology. New, refined graphite in large quantities, ensures improved electronic contact and therefore more capacity, the Powerlife has a longer lifespan due to the increased mangadiosid density