Instead of posting new replies, I will keep editing my posts, so check freshness via the "edited by" date at the end of each post.
Any rechargeable battery is a bargain over disposables. The sellers listed below have been shown thru personal experience, forums, and Usenet posts to be good sellers of new batteries. Other sellers with low S/H but high prices and vice versa (gimmick-pricing) aren't included here. Dedicated Rechargeable Battery Sellers with Reasonable Prices:
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General Info about NiMH Batteries:
There are regular battery chargers and smart chargers. The regular chargers typically charge NiMH cells for a specific time interval such as 14 hours. On the other hand, there are smart chargers that senses when the battery is charged and automatically stops charging (thus preventing overcharging). In almost all cases, you will improve the life of your batteries by getting a smart charger. Why? The normal chargers either keep charging the battery forever (until you remove the battery per the instructions) or they shut off after a specific number of hours. The time shutoff is designed for batteries with a certain capacity since as you know, a battery with a 1200 mAH capacity takes less time to charge than one with 1800 mAH capacity given that the regular charger almost always uses the same charging current. Also, a normal charger might result in a battery not being fully charged, particularly if it was packaged for lower-capacity batteries than what you are charging. In addition, if your batteries aren't fairly empty, this results in overcharging. Thus, it is advisable to get a smart charger. Smart chargers have different characteristics depending on brand. Some vary the amount of charging current until the battery is fully charged by a certain time (such as four hours). Some just slow charge the battery and automatically turn off when they detect the battery is fully charged. Another characteristic of chargers is whether they fast charge or slow charge. Slow charging is typically done with a charging current of 10% of the battery's capacity. Fast charging might be done at 25% to 30% of the battery's capacity. Today's newer NiMH cells are made to take fast charging better than those made with older technology, so those people who worry a lot about reduced life due to fast charging can relax a little. Yes, fast charging does reduce the life of the batteries, but this is balanced out by allowing you to use the batteries sooner. Unless you are really sucking up batteries, several sets of batteries will last you long enough for them to be obsolete before they run out of life. Obsolete? Well, as you notice, the capacity or lifespan improvements have been occurring with steady pace. Once upon a time, you had AA cells at 650 mAH. Then it crept up year after year. And now, we now have a 2100 mAH NiMH AA cell. Good grief, wasn't an alkaline D cell originally rated at 2200 mAH? When you think of it in those terms, these NiMH cells have a huge benefit for the cost. Best-priced smart charger: Everyone talks about that Maha smart charger, but there are similar ones that are much better priced and have free shipping. I just bought the V1000 smart charger at $16.99 from Batteryspace.com. This charger is equivalent to the Maha and also comes with the optional adapter so that you can charge batteries in your car. |
ADDENDA:
BRICK & MORTAR (B&M) SELLERS:
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Thanks Startide (again). I got the batteries today. They sent them using priority mail, and they got here in one day. -eek-
Anyway, I put them in the charger and now I'm at work. They should be fully charged by the time I go home. -smile- |
Now I've got to figure out how to open up (neatly) one of those hard-plastic encased battery packs and replace the batteries inside with these NiMH cells. I don't feel like paying $64 for another PROPRIETARY battery pack for which there is only one seller.
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Is there any specific brand of NiMH batteries that are good? Also, what type of charger should I get. I'm looking into buying a digital camera (Olympus D460) and figure I should probably pick some up. If I were to get them on Ebay, how much should I pay for them? Thanks.
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The best charger for your money hands down is the MAHA C204F. If you search on deja.com (or what is left of deja.com -rolleyes- ), you will find that it is the most widely recommended.
I've found that the best batteries are the industrial grade Sanyo 1600mAh batteries. They are plain green, and look very generic, but are consistantly rated at over 1700mAh despite what they are sold as. http://www.thomasdistributing.com/im...04f-4aa16+.jpg http://www.steves-digicams.com/images3/sanyo_nimh.jpg mod note: linkified image asking for a password, randyc |
With regards to Kodak as a name brand, isn't that why we buy name brand items? I would suppose that most name brand items are fairly similar. Failures for NiMH occur in cases of overcharging, letting the batteries drain to zero for a long time, or in having old batteries. As the FAQ says above, experience from many users seem to indicate that NiMH are similar to Nicads in that even if you don't use them, they will fail on you due to simple old age (spoilage) due to the way they are made. Lithium cells are the ones that have long shelf life whether or not you run them through their cycles.
I wouldn't worry about any of the small differences between the major brands. I would just buy the batteries and try to cycle them through their lifespans, knowing full well that I am getting my money's worth. If I stint on using them, then I am reducing the amount of freedom that using rechargeables gives me. To misquote Blade, "Freedom!" |
I jumped into the NIMH market and picked up some Sanyo AAs and charger recommended by Pantala from http://www.tnrtechnical.com/. They were running several auctions on Ebay under the seller names of "tnrbattery" and "[email protected]" for the green batteries and charger. They work great!! Thanks for the info Startide.
[Edited by jvcdvd on 05-04-01 at 09:45 AM] |
Originally posted by jvcdvd They were running several auctions on Ebay under the seller names of "tnrbattery" and "[email protected]" for the green batteries and charger. I bought some Sanyo 1600's from him awhile back. Great service and very low prices. |
Li-ion?
What is the story on these? I understand that they are a bit more expensive, but provide a greater charge over a greater time.
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^
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Anyone here anything about these new Lithium-Polymer batteries?
I heard that the next-gen Palm's will be using them. |
With regards to the lithium polymer batteries...
...I would adopt a wait and see attitude until they drop in price for the AA type form factor.
For cellphone battery packs, HERE is a $19.95 example of a 0.25 inch thick 1.2 ounce lithium-polymer battery for Nokia phones. |
btw, i was reading popular photography today, and they said 1700 and 1800 MAH NIMHs are coming (if they aren't already here). I've ordered from both SunnBattery and ThomasDistributing in the past and both shipped promptly and were pretty cheap. Great deals for you and the environment!
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the k200 kodak charger is great, i have no idea why it only got 2 out of 5 stars. i use mine with nexcell 1600 Mah NiMH's and have had no problems. it also takes both AA and AAA batteries, which was a big plus for me. it's not a quick charge model, it takes about 4-6 hours for mine to recharge.
read about the k200 at kodak's site, they leave a lot of info out at amazon... http://www.kodak.com/global/plugins/...tolifeNiMH.pdf about the only negative i'd have is that it's slightly expensive. i have about $200 in amazon gc so price was a moot point, but the kodak nimh's at amazon are way overpriced. you should just buy rayovac at walmart or target and get twice as many batteries at half the price, plus they'll work in the k200. [Edited by dark-wanderer on 05-15-01 at 12:05 PM] |
get those damn rats out of the rose bush...
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Originally posted by dark-wanderer the k200 kodak charger is great, i have no idea why it only got 2 out of 5 stars. i use mine with nexcell 1600 Mah NiMH's and have had no problems. it also takes both AA and AAA batteries, which was a big plus for me. it's not a quick charge model, it takes about 4-6 hours for mine to recharge. |
Lithium Ion Polymer Batteries - MORE INFO
For those who want to learn more about Lithium Ion Polymer rechargeable batteries and whether or not this is the next up-and-coming technology for general purpose use:
Cadex's Battery Article Listing has some articles on Lithium Ion batteries. Lithium Polymer Battery - Substance or Hype? is an article excerpt from the online ebook (well, more a website that hosts the entire book) written by Isidore Buchanan. This is the best non-technical book on batteries I know of. |
was looking for batteries and thought this was a good one to bump
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Originally posted by gkleinman was looking for batteries and thought this was a good one to bump Jad posted a question in the Other Forum and he's looking for some digital camera accessories ... and BigStinky and I just reminded him and everyone else that: Not all NiMH batteries are created equal. |
Target had most of their NiMH rechargeables (Energizer) on clearance this weekend. Probably store-specific (Raleigh), but I picked up two two-packs of AAA and a single 9V for $5 each.
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Any objective comparisons between GP and Maha in the NiMH AA battery category?
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Originally posted by CheapBastid Any objective comparisons between GP and Maha in the NiMH AA battery category? |
Originally posted by namja GP and Maha batteries are both top notch. FYI- I have Mahas now, and was thinking of getting some GPs. |
Originally posted by CheapBastid I kinda figured, but I was hoping for some objective field tests to back up the manufacturers claims. FYI- I have Mahas now, and was thinking of getting some GPs. |
Originally posted by namja In terms of hours of usage, he can't tell the difference from brand to brand among those 3. |
So someone make a suggestions...... What specific charger should I buy? I would like to be able to recharge AA and C's. What batteries should I buy????
Who's got the best prices?? |
Sam's Club has eight 1700mAH AA EverReady plus charger for $19.95. Each Christmas season, Sam's sells NiMH batteries and when they run out, you have to wait until next year. These cells are made in Japan and look physically robust. The timed charger is manually switched between NiMH/Nicad and claims to charge at 140mA for 14 hours (NiMH) and 7 hours (Nicad).
One nice feature of the charger is that it has a nicely rounded and streamlined shape. Even the AC wall-socket prongs can fold down so that you can easily carry the charger without the prongs snagging or scratching other items in your carry case. |
Has anyone tried the new one hour charger from Rayovac? I can get 4 pack AA 1600 mAh for $6, but don't want to deal with a 14 hour charging cycle.
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Originally posted by mswell btw, i was reading popular photography today, and they said 1700 and 1800 MAH NIMHs are coming (if they aren't already here). I've ordered from both SunnBattery and ThomasDistributing in the past and both shipped promptly and were pretty cheap. Great deals for you and the environment! |
I was wondering if those cheap Nimh batteries made in China are any good. They seem to be fairly common in Department stores and even grocery stores now.
Plus I was also wondering if anyone has found any decent C size nimh batteries. The ones I see in the stores (Eveready, I think) aren't any more powerful than the AA's. |
Any new info?
Looking to make another good sized purchase of AAA and AA batteries...
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Originally posted by Startide Failures for NiMH occur in cases of overcharging, letting the batteries drain to zero for a long time, or in having old batteries. Regarding Lithium Ion, we have had great performance from these in use on prosumer video cameras. In fact, in total they have outperformed any other very portable battery technology I have yet used, including all Anton-Bauer products. I do not recall the exact amp-hour size, as they are slightly larger than the normal ones, but we use these Sony ones on a Sony PD-150 DVCam, and it will run the camera in normal full-time use for approximately 10 hours. This performance will fade as the battery ages and the hours add up, but it has been very impressive. On the alpine shoot, it two of those batts will run the PD150 all day in sub-zero temps with no heating and little insulation. I am also a fan of the little Sony chargers, which I keep plugged into DC/AC inverters in camera trucks all the time for all the Sony devices. The performance to cost ratio of the Lithium Ion batts, for the gear I use them with, is unequaled. |
CompUSA is having their usual buy-one-get-one-free sale. It comes out to $9.99 for 8-packs of Rayovac NIMH's. Pretty good deal (sale until Saturday, I think).
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Are NiMH bad for PDAs?
http://www.dvdtalk.com/forum/showthr...hreadid=169917 I don't want to wreck my PDA. :( But I love these batteries. Thanks. |
Looking for batteries for my kids Gameboys.
Thought this thread deserved a bump. Also thanks to Startide for keeping this up. Jacob |
Ordered from Sunnbattery in late December. Got an email claiming that it was shipped on Jan 2. Still haven't gotten the batteries. When I called to complain they claimed that the batteries were actually shipped on Dec 27 (unlikely).
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Ordered the new 1800MAH NEXCELLs from SunnBattery as well as the MAHA charger. Ordered 1/18 4pm and received batteries and charger on 1/22 even though Monday was a holiday. If they say that they shipped them then they probably did. I have ordered at least 5 times from them and received fast shipping.
Maybe Icondude ought to give them a call and ask for a tracking number. Jacob |
Originally posted by nathanbrzl Ordered the new 1800MAH NEXCELLs from SunnBattery as well as the MAHA charger. Ordered 1/18 4pm and received batteries and charger on 1/22 even though Monday was a holiday. If they say that they shipped them then they probably did. I have ordered at least 5 times from them and received fast shipping. Maybe Icondude ought to give them a call and ask for a tracking number. Jacob |
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