21700 Flat Top Battery

It does what it is designed for

I received 4 of these with the purchase of my Zulus V2. I usually hunt 2 hours at a time and run the optic in standby. I can easily get 4 or 5 hunts in before reaching the 20% level. These batteries hold a lot of juice.

As described

The battery life is great with the 21700.

Work great and I have way more than I need so I get plenty of long sits for yotes!

seems to hold charge well even in the cold and keeps the device powered for plenty of time even when constantly ranging new targets

Very good batteries i get a lot of run time on these batteries.

Great battery, no problems and takes a charge well.

I get 4-5 hours of continuous run time with the 21700 batteries. I am looking forward to seeing how they perform in the freezing temps.

Works good so far!