Memorex High Performance AA Alkaline Batteries, 50 Pack

Manufacturer:	Memorex
List price:	~~$19.99~~
Our price:	$12.34 that is 38% off!

Memorex High Performance AA Alkaline Batteries, 50 Pack

Average rating: Stars

Great deal! Rechargables? Watch out for lower voltage!

Great deal, now at 20Â¢ each.
When thinking about rechargeable batteries,
be aware that many (if not all) have a full
charge voltage of 1.25V, while the alkalines
have 1.5V -- some equipment, like the flash
attachment on my digital camera, will NOT work
with 4 rechargeable batteries (5V) but WILL WORK
with 4 alkalines (6V). Test before making major
purchases...

Memorex High Performance AA Alkaline Batteries, 50 Pack - Memorex

Sina is right - in some cases

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Rechargeables are unquestionably the best choice for devices like toys, CD players and digital cameras that need fresh batteries frequently.
Simple arithmetic makes the case:

Conservatively assuming a charged NiMH cell holds -- on average over its usable life of 500 charges -- half the usable energy (watt-hours) of the best NEW disposable AA alkaline cell, Compare costs:

48 disposable AA cells = 8.99 (cheapest "Tech B" brand)
so 480 disposable AA cells = 89.90

can be replaced by
2 rechargeable AA NiMH cells = less than 10.00 (for top brands like Sanyo or Sony or Duracell)

So about 90.00 worth (at a super bargain price) of AA alkaline cells can be replaced by less than 10.00 worth (at everyday price) of rechargeable NiMH AA cells. The same or better ratio is true for AAA cells.

So unless you're on unmotorized safari in darkest Africa, or stuffing AA cells into junk that'll soon be lost or carelessly discarded, or replacing the battery in your wall clock every six months (in which case your rechargeable AA would last about 125 years), the choice here is a "no-brainer".

Memorex - Memorex High Performance AA Alkaline Batteries, 50 Pack

On rechargeable batteries

In response to Sina Neshatian (1/16/05): I gave up on rechargeable batteries because: 1) They don't take as much charge as alkaline, even when brand new; and 2) They run down far more quickly. I think they would be very appropriate for uses less demanding than mine.

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