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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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I've seen ads and auction listings for "reconditioned batteries" for
laptop and notebook computers. If you've tried a rejuvinated battery, please post your experience, bad or good. Also, any recommendations, as to whether to buy a "new", "used", "refurbished", or "reconditioned" batteries. |
#2
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fancy nospam tunes wrote:
I've seen ads and auction listings for "reconditioned batteries" for laptop and notebook computers. If you've tried a rejuvinated battery, please post your experience, bad or good. Also, any recommendations, as to whether to buy a "new", "used", "refurbished", or "reconditioned" batteries. Doesn`t it mean that it`s a reclaimed battery case with new rechargable cells fitted inside? Not rejuvenated as in cycled many times to restore some of the original capacity. Ron(UK) |
#3
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![]() "fancy nospam tunes" wrote in message m... I've seen ads and auction listings for "reconditioned batteries" for laptop and notebook computers. If you've tried a rejuvinated battery, please post your experience, bad or good. Also, any recommendations, as to whether to buy a "new", "used", "refurbished", or "reconditioned" batteries. It depends on the cells they use, often times a remanufactured battery will use newer higher capacity cells than the original and will be better than new. |
#4
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On Sun, 24 Apr 2005 19:03:06 +0000 (UTC), "Ron(UK)"
wrote: I've tried hitting shorted Nicads with the charge from a photoflash capacitor, and it fixes them for a while, but not for long. Stepan |
#5
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In article ,
fancy nospam tunes wrote: I've seen ads and auction listings for "reconditioned batteries" for laptop and notebook computers. If you've tried a rejuvinated battery, please post your experience, bad or good. Also, any recommendations, as to whether to buy a "new", "used", "refurbished", or "reconditioned" batteries. The common way would be just to re-cell it. But if a new one is still available it *should* be cheaper due to lower mass production costs. -- *Why does the sun lighten our hair, but darken our skin? Dave Plowman London SW To e-mail, change noise into sound. |
#6
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Dave Plowman (News) wrote:
In article , fancy nospam tunes wrote: I've seen ads and auction listings for "reconditioned batteries" for laptop and notebook computers. If you've tried a rejuvinated battery, please post your experience, bad or good. Also, any recommendations, as to whether to buy a "new", "used", "refurbished", or "reconditioned" batteries. The common way would be just to re-cell it. But if a new one is still available it *should* be cheaper due to lower mass production costs. The primary reason for proprietary batteries is to keep the PROFIT up. I read somewhere that there's more $ profit in a replacement battery than in the orignal discounted laptop. If every device used the high-tech (currently LiIon) equivalent of the AA battery that is available at any store, your laptop battery would cost $10. Back to the original question. About 3 years ago, there was a store popping up on every other corner to recondition your laptop/drill/radio battery. They charged about half the price of a new pack and guaranteed some percentage of full capacity. Those stores are ALL gone. That should tell you something about the results. mike -- Return address is VALID but some sites block emails with links. Delete this sig when replying. .. Wanted, PCMCIA SCSI Card for HP m820 CDRW. FS 500MHz Tek DSOscilloscope TDS540 Make Offer Wanted, 12.1" LCD for Gateway Solo 5300. Samsung LT121SU-121 Wanted 12" LCD for Compaq Armada 7770MT. Bunch of stuff For Sale and Wanted at the link below. MAKE THE OBVIOUS CHANGES TO THE LINK htremovethistp://www.geocities.com/SiliconValley/Monitor/4710/ |
#7
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In article ,
mike wrote: The primary reason for proprietary batteries is to keep the PROFIT up. I read somewhere that there's more $ profit in a replacement battery than in the orignal discounted laptop. Like all spares, really. Or consumables. Ink jet cartridges etc. If every device used the high-tech (currently LiIon) equivalent of the AA battery that is available at any store, your laptop battery would cost $10. If you say so. I was more thinking of power tools that use the normal Sub-C cell. To replace those with *decent* ones can cost more than the entire tool. Back to the original question. About 3 years ago, there was a store popping up on every other corner to recondition your laptop/drill/radio battery. They charged about half the price of a new pack and guaranteed some percentage of full capacity. Those stores are ALL gone. That should tell you something about the results. Never had those in the UK that I knew about. It was economical to replace mobile phone cells on a DIY basis with like for like quality, but not things like cheap power tools. Although the performance of those could usually be improved with better than OEM cells. -- *Do infants enjoy infancy as much as adults enjoy adultery? Dave Plowman London SW To e-mail, change noise into sound. |
#8
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Dave Plowman (News) wrote:
In article , mike wrote: The primary reason for proprietary batteries is to keep the PROFIT up. I read somewhere that there's more $ profit in a replacement battery than in the orignal discounted laptop. Like all spares, really. Or consumables. Ink jet cartridges etc. If every device used the high-tech (currently LiIon) equivalent of the AA battery that is available at any store, your laptop battery would cost $10. If you say so. I was more thinking of power tools that use the normal Sub-C cell. To replace those with *decent* ones can cost more than the entire tool. WELL, almost all LiIon packs use the normal 18650 cell. Problem is that they're packaged in proprietary plastic and you need a tiny spot welder to replace 'em. Not to mention that you have a very difficult time buying individual cells. If the consumer could go down to the corner drugstore and pick up sub-C cells for their power tool or 18650s for their laptop, they would be much cheaper. If consumers weren't so stupid and could follow simple directions, we wouldn't need multiple layers of stupid-proof safety protection...or nearly as many lawyers. Technology ain't the problem...it's all about the Benjamins. mike Back to the original question. About 3 years ago, there was a store popping up on every other corner to recondition your laptop/drill/radio battery. They charged about half the price of a new pack and guaranteed some percentage of full capacity. Those stores are ALL gone. That should tell you something about the results. Never had those in the UK that I knew about. It was economical to replace mobile phone cells on a DIY basis with like for like quality, but not things like cheap power tools. Although the performance of those could usually be improved with better than OEM cells. -- Return address is VALID but some sites block emails with links. Delete this sig when replying. .. Wanted, PCMCIA SCSI Card for HP m820 CDRW. FS 500MHz Tek DSOscilloscope TDS540 Make Offer Wanted, 12.1" LCD for Gateway Solo 5300. Samsung LT121SU-121 Wanted 12" LCD for Compaq Armada 7770MT. Bunch of stuff For Sale and Wanted at the link below. MAKE THE OBVIOUS CHANGES TO THE LINK htremovethistp://www.geocities.com/SiliconValley/Monitor/4710/ |
#9
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In article ,
mike wrote: If you say so. I was more thinking of power tools that use the normal Sub-C cell. To replace those with *decent* ones can cost more than the entire tool. WELL, almost all LiIon packs use the normal 18650 cell. Problem is that they're packaged in proprietary plastic and you need a tiny spot welder to replace 'em. Not to mention that you have a very difficult time buying individual cells. If the consumer could go down to the corner drugstore and pick up sub-C cells for their power tool or 18650s for their laptop, they would be much cheaper. I'm not sure about 18650, but tagged sub-C which can be soldered by anyone are readily available in the UK. But not from a 'drugstore' etc as they're not a standard size like AA etc. If consumers weren't so stupid and could follow simple directions, we wouldn't need multiple layers of stupid-proof safety protection...or nearly as many lawyers. Technology ain't the problem...it's all about the Benjamins. Heh heh - could be. -- *Why is a boxing ring square? Dave Plowman London SW To e-mail, change noise into sound. |
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