Panasonic continues its tradition of innovation with the launch of the World’s No.1 long lasting AA alkaline battery.  Outperforming competitors on the most common industry tests, the new battery EVOIA has entered the Guinness Book of World Records as the World’s No.1 long lasting AA alkaline battery1, and is the first battery to receive the prestigious official Guinness World Record recognition1.

Based on tests using an AA-size alkaline battery. GWR certified on Jan. 15th, 2008 and re-certified on Mar. 5th, 2010 following IEC standards averaged across seven test modes.

_{Guinness World Records recognised the achievement based on the data obtained from discharge tests Panasonic conducted in accordance with the guidelines set by the International Electrotechnical Commission (IEC).}