Re: Care and Feeding of Rechargeable Batteries
On Sep 23, 2006, at 11:33 AM, Joseph Tainter wrote: > When our K10Ds arrive, what is the best way to care for the > rechargeable > battery: > > Wait until empty, then recharge? > > Top it up regularly? Been working with Li-Ion batteries in cameras since 2002 (Sony F707). Charge them up when you feel like it, I've tried at least four different "strategies" and not found any of them to make any difference at all. They work very well, hold a charge for very long periods of time when sitting on the shelf, and deliver power in use way out of proportion to their size and weight. The one in my first generation 5G iPod, for instance, has variously been drained to a dead nub, charged from the bottom up, left on the charger for weeks at a time, lived in the hostile environment of my car through hot and cold weather. When new, it would power the iPod for 10.5 hours. Now, four years later (? ... I can't remember when the iPod came out, I bought this a month after...), it will power the iPod for 10 hours after hundreds and hundreds of charge cycles. Godfrey -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Re: Care and Feeding of Rechargeable Batteries
Excellent. I have an amazon.com order. They still don't have a listing for the battery grip, nor does B&H. But I'm going to want that right away. Paul On Sep 23, 2006, at 10:28 PM, William Robb wrote: > > - Original Message - > From: "Paul Stenquist" > Subject: Re: Care and Feeding of Rechargeable Batteries > > >> Welcome back, Bill. Have you ordered your 10D? :-). > > Ordered and paid for as of last Wdnesday. > Expected delivery is, from what Don's Photo is being told, sometime > around mid October. > > William Robb > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Re: Care and Feeding of Rechargeable Batteries
- Original Message - From: "Paul Stenquist" Subject: Re: Care and Feeding of Rechargeable Batteries > Welcome back, Bill. Have you ordered your 10D? :-). Ordered and paid for as of last Wdnesday. Expected delivery is, from what Don's Photo is being told, sometime around mid October. William Robb -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Re: Care and Feeding of Rechargeable Batteries
Welcome back, Bill. Have you ordered your 10D? :-). Paul On Sep 23, 2006, at 3:03 PM, William Robb wrote: > - Original Message - > From: "Joseph Tainter" > Subject: Care and Feeding of Rechargeable Batteries > > >> When our K10Ds arrive, what is the best way to care for the >> rechargeable >> battery: >> >> Wait until empty, then recharge? >> >> Top it up regularly? > > The new camera uses lithium/ion batteries. > These batteries are very high capacity, suffer no memory effect from > recharging off a partial discharge, and > don't seem bothered by high discharge/recharge rates. I have a Makita > impact drill driver that uses an 18 volt lithium/ion battery, and so > far, the battery has been incredibly reliable, I can run the battery > down drilling RockOns into cement board in about a half hour, and > by the > time the second batery is done, the first is ready to go again. > > L8R > bill > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Re: Care and Feeding of Rechargeable Batteries
Yeh, my old 9.6v stick battery drill works like that too, and it has NiCads. LiIon batteries are a bit different they do not really like to be deep cycled (discharged all the way), however they seem to have no memory effect either, so you can top them off no problem, unlike NiCads. My Thinkpad does not even consider it a charge cycle if I do not let it go down to less than 80%. I also top off my phone at about 80% charge. What 2 years? No problem. If I had one of those modern drills I would probably charge it when I estimated it was at 20%, but as a contractor, new batteries are just a routine expense for you so run them into the ground. Now as to those NiCads in my Makita. The thing is at least 12 years old. I have always run the batteries all the way down, to the point where I can stall it by holding the chuck with my hand, before recharging in the supplied quick charger (about 20 minutes). Well, I guess I would have to get new batteries if I was still in the trades as I am putting up some drywall in the apartment and I could only drive 70-80 1-5/8 inch screws, that does take longer than a charge does, so I did not have to stop. It used to do 100+. Not bad for a couple of 12 year old batteries, and remember this is a 9.6v tool not 18 or 24. Oh, yes, I can still buy batteries for it locally. $35. Makita does make serious cordless tools. -- graywolf http://www.graywolfphoto.com http://webpages.charter.net/graywolf "Idiot Proof" <==> "Expert Proof" --- William Robb wrote: > - Original Message - > From: "Joseph Tainter" > Subject: Care and Feeding of Rechargeable Batteries > > >> When our K10Ds arrive, what is the best way to care for the >> rechargeable >> battery: >> >> Wait until empty, then recharge? >> >> Top it up regularly? > > The new camera uses lithium/ion batteries. > These batteries are very high capacity, suffer no memory effect from > recharging off a partial discharge, and > don't seem bothered by high discharge/recharge rates. I have a Makita > impact drill driver that uses an 18 volt lithium/ion battery, and so > far, the battery has been incredibly reliable, I can run the battery > down drilling RockOns into cement board in about a half hour, and by the > time the second batery is done, the first is ready to go again. > > L8R > bill > > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Re: Care and Feeding of Rechargeable Batteries
This was true with Ni-Cd batteries, and in a *much* lower extent, with Ni-MH. Li-Ion and newer batteries do not suffer this at all (the counterpart being a shorter lifespan). Patrice Shel Belinkoff a écrit : > I've always understood that it's best to take 'em down to empty and in that > way they can become fully charged. Recharging them before they are > depleted doesn't allow for a full charge. Anyway, that's what I remember > hearing. I seem to recall Sony or Canon suggesting that you fully deplete > the bats before recharging. > > Shel > > > > >> [Original Message] >> From: Joseph Tainter >> > > >> When our K10Ds arrive, what is the best way to care for >> the rechargeable battery: >> >> Wait until empty, then recharge? >> >> Top it up regularly? >> > > > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Re: Care and Feeding of Rechargeable Batteries
Joseph Tainter a écrit : > When our K10Ds arrive, what is the best way to care for the rechargeable > battery: > > Wait until empty, then recharge? > > Top it up regularly? > > Thanks, > > Joe > > As it is a Li-ion battery, there is no memory effect to be worried about. You'll get the same perf whether way you proceed. However, I think doing more frequent partial charges may reduce lifespan, because this would mean more load/unload electro-chemical cycles (I may be wrong, though). Patrice -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Re: Care and Feeding of Rechargeable Batteries
- Original Message - From: "Joseph Tainter" Subject: Care and Feeding of Rechargeable Batteries > When our K10Ds arrive, what is the best way to care for the > rechargeable > battery: > > Wait until empty, then recharge? > > Top it up regularly? The new camera uses lithium/ion batteries. These batteries are very high capacity, suffer no memory effect from recharging off a partial discharge, and don't seem bothered by high discharge/recharge rates. I have a Makita impact drill driver that uses an 18 volt lithium/ion battery, and so far, the battery has been incredibly reliable, I can run the battery down drilling RockOns into cement board in about a half hour, and by the time the second batery is done, the first is ready to go again. L8R bill -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
RE: Care and Feeding of Rechargeable Batteries
I've always understood that it's best to take 'em down to empty and in that way they can become fully charged. Recharging them before they are depleted doesn't allow for a full charge. Anyway, that's what I remember hearing. I seem to recall Sony or Canon suggesting that you fully deplete the bats before recharging. Shel > [Original Message] > From: Joseph Tainter > When our K10Ds arrive, what is the best way to care for > the rechargeable battery: > > Wait until empty, then recharge? > > Top it up regularly? -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
Care and Feeding of Rechargeable Batteries
When our K10Ds arrive, what is the best way to care for the rechargeable battery: Wait until empty, then recharge? Top it up regularly? Thanks, Joe -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
