If you're passionate about IT and electronics, like being up to date on technology and don't miss even the slightest details, buy Varta Longlife Power AAA batteries (pack of 4). VARTA Longlife Power is the most powerful of the VARTA alkaline batteries. It was developed specifically for devices with high energy consumption. Stay independent with high-performance battery power when using power-hungry devices, such as digital and instant camera, blood pressure monitors, game controllers, drones and more that need precise power for changing demands. This is a pack of four endlessly useful Varta LongLife Alkaline AAA penlite batteries.