Long service life Flexible battery pack design No memory effect nimh rechargeable button battery - 2.4V80 mAhRechargeable NiMH Button cells ... , pocket radios, radio microphones, Portable translators & calculators, solar watches, hearing aidsDevices for office peripheralsFax and telex machines, ... industry peripheralsMeters, Smoke detectors, Security alarms, Timers ni-mh button battery / 2.4v 80mah