The battery which will initially launch only in Japan, was recognised as a record holder based on data obtained from discharge tests Panasonic conducted in accordance with the guidelines set by the International Electrotechnical Commission (IEC).

The company says the improvement was made possible by innovations in battery structure, materials and manufacturing processes.

Evolta, which is also claimed to have a life span of up to ten years, will perform well in a variety of equipment ranging from low- to high-current drain applications, according to Panasonic.