An exact figure is impossible to say without knowing the device and the amount of current that it uses (probably listed in milliamps - look for a %26quot;um%26quot; or %26quot;uM%26quot;).
Alkaline batteries will lose power in the cold (I'd say around 76%), but then they will recover when warmed back up.
I assume you're using those and not the old carbon-zinc ones. They leak easily (among a multitude of disadvantages), and are only worth buying if the kid's going to leave it on and run them down anyway.
If you have something else that uses the same type and size batteries, put the used batteries in that, and put new ones in your outdoor device.
Also, I'd recommend Lithium batteries.
They have a shelf/in-use lifetime of 10-15 years.
Operate fine from -40-+140 degrees.
Have about 6 times the capacity of alkaline batteries.
They are 6 times the price of a good alkaline battery.
P.S. %26quot;Energizer%26quot; batteries keep %26quot;going and going%26quot; - not %26quot;Duracell%26quot;!How long will batteries last in an outside transmitter when temps fall to freezing and below?
It should work. They are interchangeable.
The reason they always say alkaline is so that people don't put carbon-zinc batteries in them.
They'll jump for joy when you say Lithium!
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How long will batteries last in an outside transmitter when temps fall to freezing and below?if there duracell they,ll go on and on and on and on
