AnsmannRechargeable Batteries AA 2850 mAh NiMH - High Capacity Double A Batteries pre-Charged for Camera, Flashlight, Controller, Gamepad, Solar Light, Apple Mouse, Wireless Keyboard - 20 Pack

BLUF: I love Ansmann rechargeable Batteries. They are quality and reliable. I’ve been using them for almost 1 year now, and I’ll never use anything else for live entertainment purposes.
If you're like me, then you would like to know what the size differences are between the "Slim" version of the Ansmann AA's and this version.
As you can see from the pictures provided, the Silver Ansmann AA is the “Regular” version. The Blue Ansmann AA is the “Slim” version.

I measured both the silver and blue Ansmann AA’s with a set of digital calipers.

The Silver Ansmann AA approximate dimensions
Diameter: 0.565” or 14.35mmHeight: 1.9835” or 50.37mmThe Blue (Slim) Ansmann AA approximate dimensionsDiameter: 0.564” or 14.33mmHeight: 1.983” or 50.37mmI would like to point out that the positive terminal of the Blue Ansmann protrudes a bit further out than does the Silver Ansmann.

Just for the sake of being complete, here are the approximate dimensions of an Energizer AA battery:Diameter: 0.543” or 13.78mmHeight: 1.979” or 50.26mm

great value, good power, ANSMANN makes great batteries.

Exelente funcion

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Don't let the "Slim Line" labeling freak you out. These batteries work great and hold a charge for a long time. Yay, reduce battery waste and save money too.