I test these models AA (LR5) since 2 weeks on the screen control of my electric toothbrush and Oral-B on a Logitech wireless mouse. The integrated PowerCheck tester helps to know the autonomy Remaining battery: just hold two fingers over at its ends. For now the bar is always full of energy.
For information, javais already used these batteries during my adolescence. At the time, I was a fan of walkman and I consumed a lot of batteries: 2 alkaline "classic" lasted me 2 to 3 days while the Duracell Ultra Power made me the week.
Sign of confidence, these batteries are manufactured in Belgium and have the ISO 9001 and ISO 14001 certifications This prevents unpleasant surprises like this can be the case with batteries "no-name" Chinese, sold some euros in discount stores .
I recommend for its approval longevity, its competitive price and its health indicator. With them, the rabbit can hit the drum a long time.