Proven as the world's best alkaline battery. Panasonic Evolta last longer than the rest. According to international standards Panasonic's Evolta battery outperform other leading manufacturer's batteries by an average of 10-30%. Evolta is not only Panasonics flagship battery, but also the world's number one performing Alkaline battery. Guinness World Records officially recognized Evolta as the Longest Lasting AA Alkaline Battery in a wide range of devices. The Panasonic Evolta range are our number one premium offering in disposable consumer batteries. Available in a variety of sizes and pack configurations. Deisgned to provide reliability and longer lasting for all sorts of devices. Including high drain devices such as high powered torches, toys and more! This package consist of 2 x Panasonic D Alkaline Batteries. Please note that Panasonic Evolta Alkaline are non rechargeable and should not be charged in a charger.