Question 1

What is the mha rating on these batteries?

Accepted Answer

These batteries are outstanding. They are also pricey. But are they worth it? Basically yes but tricky. They last about 3x as long as a standard alkaline battery but seem to cost about 3x as much.  I'm running a test on them in a device designed to discharge batteries at a controlled rate and measure the total power output. A rechargeable Eneloop delivered 1909 mah with a discharge rate of 200 ma. That a somewhat high discharge rate but not crazy high. That 200 ma discharge rate is appox half way between low and medium on a typical LED flashlight. I got 1813 mah out of a Duracell copper top alkaline battery. The Engergizer Lithium battery I'm testing delivered 2640 mah and it's still going strong at 1.21 volts. It's going to make it well past 3500 mah. Note there is variability between batteries even of the same type but they tend to be similar. One plus about these lithiums is they don't leak, they last up to 20 years, they are noticeably lighter, you don't have to change them out as often because they last 2.5x to 3x as long. But worth the price premium? You decide.

Question 2

Are these good for the Blink XT cameras ?

Accepted Answer

The ones that are recommended by Blink are the AA "1.5v" Lithium Energizer Brand.  the Ultimate Lithium batteries are "1.7v".  Blink recommends not more than 1.5v!

Question 3

Do energizer ultimate lithium aa batteries have different voltage output from alkaline aa batteries?

Accepted Answer

When fresh out of the package, common AA Alkaline are 1.5V. The Ultimate Lithium are 1.8V; Confirmed with my voltmeter while powering a low current device (35mA current draw).

Question 4

What is the difference here with the standard and premium? Except standard 12 for 15.98 and premium 12 for 29.98

Accepted Answer

Mmm....well.....I use the Premium in my camera's and flash systems.  As they stay strong and seem to last 30~40% longer.  My flash units suck serious juice- the Premiums 'rebound' very quickly.

ASIN	B071D87WPV
Amperage	12 Amps
Antenna Location	Camera
Battery Capacity	3000
Battery Cell Type	Lithium
Battery Weight	29 Grams
Best Sellers Rank	#628 in Electronics ( See Top 100 in Electronics ) #64 in Disposable Household Batteries
Brand	Energizer
Customer Reviews	4.7 4.7 out of 5 stars (27,979)
Global Trade Identification Number	00039800130716, 00039800136787, 30039800130717
Included Components	Battery Pack
Item Dimensions	11.4 x 19.8 x 1.4 centimeters
Item Type Name	Lithium Ultimate
Item Weight	200 g
Manufacturer	Energizer Batteries- Consumables
Model Name	ENR L91SBP-12.H4 LITH AA12 SENS EMOD
Model Number	30039800130717
Number of Batteries	12 AA batteries required. (included)
Reusability	Single Use
UPC	039800130716
Unit Count	12 Count
Voltage	12 Volts

Ultimate Lithium

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