Nikon says you'll get up to 12 hours of runtime out of two AA batteries. You can still keep using the binoculars once the ...

Nikon has announced an entirely new series of ... inside move precisely to counteract vibrations – is powered by two AA batteries, which will provide up to 12 hours of use.

Nikon Stabilized Binoculars ... Uses 2x convenient and readily available AA-size batteries, for approx. 12 hours of battery life. STABILIZED Technology reduces vibrations caused by hand movement ...