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It jus depends on a few factors like the capacity and how many amps the light draws n this n that. But I have found Energizer to be the best batteries for flashlights!!! With a single AA Energizer battery lasting anywhere from 2-5 hours with the flashlight being continuously on till it turned off. So they may even last a lil bit longer if not in constant use like that!!!
bud browny
Wiki User
∙ 12y agoIt depends on what gadget are you going to use this with.
Wiki User
∙ 6y agoNo set answer to that. It depends on the capacity of the batteries and the power consumption of the flashlight.
Wiki User
∙ 13y agoIt depends how much you use it
Wiki User
∙ 13y agoit can be used for aproximetly 11 hours
Wiki User
∙ 15y agono
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How long does an energizer battery last used in a flashlight?
1 minute
Which nine-volt battery lasts the longest?
Energizer lasts the longest. It's beats Duracell by about 2 or 3 hours. I just did a science fair project on this, but I used D sized batteries. Still, Energizer is the best to use.
Why are rc batteries better then energizer batteries?
An rc li-po battery is a battery pack used for powering rc cars. They are better than energizer batteries because they have a higher capacity (voltage) than Energizer batteries, no "self-discharge" that lowers battery life, and has a very fast charging time.
What is a tadiran battery, and what is it used for?
From my research, I have concluded that Tadiran is a brand of batteries like Duracell or energizer and can be used in similar ways depending on the size of the battery.
If you have a energizer battery on all day and night how long qill it take for it to die?
It depends on what it's used for.
What are Eveready batteries and where can they be used?
Eveready is a brand of battery, it is similar to Duracell and energizer. They are offered in a variety of sizes and can be used in almost any type of battery operated device.
How long do you charge a energizer AA 1.2V 2450mAh battery till fully charged?
It depends on which charger is being used.
How long will a AA battery last if not used?
According to Energizer, they claim that their rechargeable AA batteries will hold their charge for up to 1 year. How long a battery lasts is also dependant on how much it is used.
Difference between Duracel and Energizer?
Energizer batteries are used exclusively to power the Energizer Bunny, which keeps going and going and going...
What is durability of Energizer cell?
This depends on the type of battery being used. Each of them come with a different voltage so you will need to have that information before continuing.
Why fuel energizer not widely used in India?
chumma...........................
Which battery lasts the longest duracell energizer or rayovac?
How long a battery lasts actually depends on what type of appliance it is used with. In flashlights, Energizer often lasts the longest in tests. Duracell is good for many things, although personal booklights seem to drain Duracell very quickly. It works well for lanterns and the like though. EverReady is generally a little below Duracell and Energizer. Rayovac is another brand that might be tried.
