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Old 02-27-2010, 10:18 PM
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Harbor Freight Rechargeable Batteries?

Has anyone tried these Harbor Freight AA Rechargeable Batteries?

http://www.harborfreight.com/cpi/cta...emnumber=47440

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Old 02-27-2010, 11:01 PM
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I have some. They don't last long.
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Old 02-28-2010, 12:05 AM
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+1. I've always had good luck with Panasonic rechargeables.
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Old 02-28-2010, 08:03 AM
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yea, they don't have a long lifespan.. I have a few sets for my digital camera and they work, but I normally use duracell's
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Old 02-28-2010, 09:28 AM
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Mmm... I guess the good Rechargeable Batteries are expensive, but worth it. Maybe I'll wait until the HF ones are on sale to pick them up.
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Old 02-28-2010, 05:13 PM
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There are only two or three names you need to remember for NICAD batteries, one is Sanyo, two is Panasonic.....I can't recall the third right now.

Vince
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Old 02-28-2010, 05:34 PM
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most recargables these days are NIMH and even some ( EXPENSIVE ) LI-ON's..

ditto on the panasonic NICAD's tho. I'v got some that have to be going on 10 years old and will still take and hold a charge
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Old 02-28-2010, 08:12 PM
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I bought the li-ions ones they used to sell that had a green lable. I've used a set of four in the LED flashlight I use constantly at work. They last a bit over a week and then are swapped for the other pair in the slow charger. I bought them a year and a half ago for $5. I am well pleased. If I were using them in a high-draw device like a digital camera it might be a different story.
If they've changed not only the battery labels, but are selling different batteries then my review is worthless.
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Old 02-28-2010, 08:33 PM
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Quote:
Originally Posted by 302 Z28
There are only two or three names you need to remember for NICAD batteries, one is Sanyo, two is Panasonic.
Sanyo is definitely one of the best, I use their low self discharge NiMH batteries in my DSLR camera, Sanyo Eneloops. They will stay charged for months and the voltage stays up as they discharge, so even though they are only 2000mah, they will outlast 2800mah batteries in voltage sensitive high drain devices.

Also, do not underestimate the value of a good charger, I have a La Crosse BC-900, expensive, but one of the best on the market.

Last edited by elliott; 02-28-2010 at 08:41 PM.
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Old 02-28-2010, 08:42 PM
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Quote:
Originally Posted by GypsyR
I bought the li-ions ones they used to sell that had a green label.
I think you got these. I believe HF still sells them.

http://www.harborfreight.com/cpi/cta...emnumber=90148
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Old 02-28-2010, 08:46 PM
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I have used HF rechargeable NiMH batteries many times and am happy with them. You can often find them on sale for about a buck each. I have a radio controlled, battery powered model train which uses 24 HF AA NiMH arranged in a battery of 2x12. I use a smart charger made to charge NiMH batteries and am still getting a 3 hour runtime from a full charge after a year and a half of use. I also bought about 50 of these along with the HF charger for my grandkid's toys which seem to require more AA batteries than one could imagine. I've also used them to replace the battery packs in my cordless phones, saving 75% of the retail replacement battery packs. For the price, you can't go wrong.

The error made with the NiCD rechargeable is that most don't understand how to charge them. Overcharging can cause cell reversal or exceeding rather sensitive temperature limits. They also have a 'memory' effect, which over a number of times will usually result in not being able to fully charge them - they really need to be fully discharged in order to accomplish a subsequent charge. When they don't fully charge, you think they're bad and just get new ones again when the problem is usually not discharging / charging them correctly. Some smart chargers will perform a discharge before applying the charge.

NiMH batteries don't have a memory effect issue. NiCD will not discharge as quickly as NiMH when the batteries are idle.

The one disadvantage to Lith Ion cells are that they can be permanently damaged if accidentally discharged below a minimum level, so if there is a chance that your battery powered whatever will run the battery down to zero without you knowing you will destroy that rather expensive cell.
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Old 03-01-2010, 10:56 AM
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Quote:
Originally Posted by cucumber1949
I have a radio controlled, battery powered model train which uses 24 HF AA NiMH arranged in a battery of 2x12. I use a smart charger made to charge NiMH batteries and am still getting a 3 hour runtime from a full charge after a year and a half of use. I also bought about 50 of these along with the HF charger for my grandkid's toys.
Well.... if you've bought that many HF batteries I guess they are a good value! Buying regular non-rechargeable batteries are about $4 a pack.

Last edited by mgold; 03-01-2010 at 12:40 PM.
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