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Cellular Phone Forum / Country Specific / UK Group / November 2006New Battery charging
Hello. I've just got a new Sony Ericsson W810i from Orange. I was wondering if I have to charge the battery for a full 16 hours? The reason why I'm asking is that the phone said the battery is fully charged after about a hour. Is this correct? Thanks. > Hello. > [quoted text clipped - 6 lines] > > Thanks. no, it doesn't make any difference. No one has proved it does! On 07/11/2006 at 07:47:51 Norm wrote : > no, it doesn't make any difference. No one has proved it does! Surely logic applies, when the circuit senses that the battery is fully charged and displays this state, then it is _pointless_ charging for a further 14 hours (approx) as it should go into idle or trickle mode!  SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > On 07/11/2006 at 07:47:51 Norm wrote : >> no, it doesn't make any difference. No one has proved it does! > > Surely logic applies, when the circuit senses that the battery is fully > charged and displays this state, then it is _pointless_ charging for a > further 14 hours (approx) as it should go into idle or trickle mode! And there's no benefit for trickle charging a battery for 16 hours? (That's an unknown answer - but if it does trickle charge, then it is charging, so isn't necessarily pointless) D >> On 07/11/2006 at 07:47:51 Norm wrote : >>> no, it doesn't make any difference. No one has proved it does! [quoted text clipped - 6 lines] > (That's an unknown answer - but if it does trickle charge, then it is > charging, so isn't necessarily pointless) I emailed SE about this over a year ago; got a response that the charger doesn't actually trickle charge. It just checks uniformly what's the percentage of the battery every so often, and when it falls below 98% it'll burst-charge it again. Sounds pretty pointless. These days, why bother wasting the energy from the mains power, just use the mobile and remove the charger. On 07/11/2006 at 14:40:41 David Hearn wrote : > And there's no benefit for trickle charging a battery for 16 hours? (That's > an unknown answer - but if it does trickle charge, then it is charging, so > isn't necessarily pointless) If it has fully charged, _any_ other charge is pointless until the charge level drops significantly. Anyho, you know what I mean, let's not get into the finer points of whether to trickle or not ;) SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > On 07/11/2006 at 07:47:51 Norm wrote : > > no, it doesn't make any difference. No one has proved [quoted text clipped - 4 lines] > is _pointless_ charging for a further 14 hours (approx) > as it should go into idle or trickle mode! Not so. Most manuals state that you should ignore the "fully charged" message on the first two or three charges and charge for 14-16hrs. The cells do need a little conditioning when brand new. Ivor On 07/11/2006 at 19:27:32 Ivor Jones wrote : > Not so. Most manuals state that you should ignore the "fully charged" message > on the first two or three charges and charge for 14-16hrs. The cells do need > a little conditioning when brand new. I would have thought _battery_ _cycling_ was more important in todays battery! Usually letting the battery *fully* discharge before re-charging three times was more in line with todays technology. SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > On 07/11/2006 at 19:27:32 Ivor Jones wrote : >> Not so. Most manuals state that you should ignore the "fully charged" [quoted text clipped - 4 lines] > battery! Usually letting the battery *fully* discharge before re-charging > three times was more in line with todays technology. Nope that only drys the cells out Steve Terry > Nope that only drys the cells out I am sure Nokia recommends this for the first 3 charges! SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill >> Nope that only drys the cells out > > I am sure Nokia recommends this for the first 3 charges! That's OK, just don't make it habitual Steve Terry On 07/11/2006 at 23:36:23 Steve Terry wrote : > That's OK, just don't make it habitual 3 was mentioned to the post you replied to, doh! SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill >I would have thought _battery_ _cycling_ was more important in todays >battery! Usually letting the battery *fully* discharge before >re-charging three times was more in line with todays technology. Very definitely not. If you discharge a modern battery fully, it is scrap. They have embedded electronics to help prevent such abuse, but people still try. SignatureIain the out-of-date hairydog guide to mobile phones http://www.hairydog.co.uk/cell1.html Browse now while stocks last! On 08/11/2006 at 09:50:41 hairydog@despammed.com wrote : > Very definitely not. If you discharge a modern battery fully, it is > scrap. They have embedded electronics to help prevent such abuse, but > people still try. Are you going to tell Nokia, or will I? ;) SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > On 08/11/2006 at 09:50:41 hairydog@despammed.com wrote : >> Very definitely not. If you discharge a modern battery fully, >> it is scrap. They have embedded electronics to help prevent >> such abuse, but people still try. > > Are you going to tell Nokia, or will I? ;) Nokia already know, that's why they embed low volt limiters, with temperature controlled overcharge regulators, and short circuit protection into every battery, all to make Li-ion foolproof All the average fool can do, is dry out the cells by excessive part recharging, shortening the batteries life. Steve Terry On 08/11/2006 at 18:50:00 Steve Terry wrote : > All the average fool can do, Are you speaking from personal experience here? ;) SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill >>I would have thought _battery_ _cycling_ was more important in todays >>battery! Usually letting the battery *fully* discharge before [quoted text clipped - 3 lines] > scrap. They have embedded electronics to help prevent such abuse, but > people still try. My Nokia phone won't allow that. It switches itself off before the battery goes fully dead. > Hello. > [quoted text clipped - 4 lines] > The reason why I'm asking is that the phone said the battery is fully > charged after about a hour. Is this correct? I think manufacturers give batteries a full initial charge these days? nomail@here.com declared for all the world to hear... > I think manufacturers give batteries a full initial charge these days? You think wrong. SignatureRegards Jon >I think manufacturers give batteries a full initial charge these days? No. They charge the batteries enough to stop them running flat before sale. If the battery was supplied uncharged, and its residual charge dissipated, the battery would need to be replaced. They are never supplied fully charged. SignatureIain the out-of-date hairydog guide to mobile phones http://www.hairydog.co.uk/cell1.html Browse now while stocks last! > Hello. > [quoted text clipped - 6 lines] > > Thanks. What does the manual say? D On 07/11/2006 at 06:45:07 Malice wrote : > Hello. > I've just got a new Sony Ericsson W810i from Orange. > I was wondering if I have to charge the battery for a full 16 hours? > The reason why I'm asking is that the phone said the battery is fully charged > after about a hour. Is this correct? > Thanks. Who said 16hrs? SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > On 07/11/2006 at 06:45:07 Malice wrote : > > Hello. [quoted text clipped - 11 lines] > > Who said 16hrs? The manual. perhaps..? If it did say so, you would be wise to heed it, it says so for a reason. Ivor On 07/11/2006 at 19:28:51 Ivor Jones wrote : > The manual. perhaps..? If it did say so, you would be wise to heed it, it > says so for a reason. If the OP has this in their manual then fine. Just looked in 2 Nokia manuals, they don't seem to need it! SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > The manual. perhaps..? If it did say so, you would be wise to heed it, it > says so for a reason. > > Ivor None of my recent phone manuals have mentioned this at all. They have all stated: "Plug the charger in, and charge until the 'battery full' message appears." - they then go on to provide instructions as to how to switch on the phone, and enter a PIN, blah blah. On 08/11/2006 at 12:36:30 David R wrote : > None of my recent phone manuals have mentioned this at all. They have all > stated: "Plug the charger in, and charge until the 'battery full' message > appears." - they then go on to provide instructions as to how to switch on > the phone, and enter a PIN, blah blah. same here, these replies all have info for _old_ _phones_, did they not read the OP? W810i, not so old ;) SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > > The manual. perhaps..? If it did say so, you would be > > wise to heed it, it says so for a reason. [quoted text clipped - 6 lines] > then go on to provide instructions as to how to switch on > the phone, and enter a PIN, blah blah. Fine, then go with that. All mine have stated to charge for 16 hours on the first 2 or 3 charges and to ignore the phone's message saying the battery is full, so that's what I do. In other words, RTFM..! Ivor > Fine, then go with that. All mine have stated to charge for 16 hours on > the first 2 or 3 charges and to ignore the phone's message saying the [quoted text clipped - 3 lines] > > Ivor Cause you gotta have faith *ahh* *ahh*, you gotta have a-faith-ah-faith-ah-faith---ah. On 08/11/2006 at 18:24:41 Ivor Jones wrote : > In other words, RTFM..! Zaktly! :) SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill On 08/11/2006 at 18:24:41 Ivor Jones wrote : > All mine have stated to charge for 16 hours on the first 2 or 3 charges Can I ask you what models you have? Thanks SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill > On 08/11/2006 at 18:24:41 Ivor Jones wrote : > > All mine have stated to charge for 16 hours on the > > first 2 or 3 charges > > Can I ask you what models you have? I'm a 6310i diehard, can't be doing with these newfangled all-singing-dancing-photo phones, I just want to make and receive calls..! Ivor On 09/11/2006 at 00:27:45 Ivor Jones wrote : >> On 08/11/2006 at 18:24:41 Ivor Jones wrote : >> > All mine have stated to charge for 16 hours on the >> > first 2 or 3 charges >> >> Can I ask you what models you have? > I'm a 6310i diehard, can't be doing with these newfangled > all-singing-dancing-photo phones, I just want to make and receive calls..! > Ivor And obviously one of the best ones to do it with. I have just got the W810i, never thought I would need all those functions but it's very handy to have my _devils_ _music_ plus radio and backup camera (decent quality) when I am out in the wilds. SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill matt.dickinson@hotmail.co.uk.spamme declared for all the world to hear... > Hello. > [quoted text clipped - 4 lines] > The reason why I'm asking is that the phone said the battery is fully > charged after about a hour. Is this correct? Yes it is correct, and yes you should charge it for a long while first time round. Leave it on overnight, you won't harm it. SignatureRegards Jon >Hello. > [quoted text clipped - 4 lines] >The reason why I'm asking is that the phone said the battery is fully >charged after about a hour. Is this correct? I think, I got the link below from this group some time ago. I am not endorsing the information the site contains but I follow the guidance and the life and performance of my batteries has always been good. Certainly no evidence to suggest there have been any negative effects. http://www.hairydog.co.uk/battery.html SignatureThanks PajaP >Hello. > [quoted text clipped - 4 lines] >The reason why I'm asking is that the phone said the battery is fully >charged after about a hour. Is this correct? Yes and no. Leaving it on charge for a couple of hours will top it up a bit more, and the charge capacity will increase after a few charge cycles anyway. I'd suggest charging it overnight the first time, or soon after the first time. The thing about the 16 hour initial charge was true, valid and important for NiCd and NiMH batteries, which consisted of several cells wired in series. The slow trickle charge after filling the battery was vital to top up all the cells to their maximum. Modern handsets have Li-Ion or Li-Poly batteries that consist of a single cell, so they don't need the long equalising charge. However, it is possible that a long first charge might calibrate the battery level meter more accurately - though I doubt it. SignatureIain the out-of-date hairydog guide to mobile phones http://www.hairydog.co.uk/cell1.html Browse now while stocks last! On 08/11/2006 at 09:50:41 hairydog@despammed.com wrote : > Modern handsets have Li-Ion or Li-Poly batteries that consist of a > single cell, so they don't need the long equalising charge. > However, it is possible that a long first charge might calibrate the > battery level meter more accurately - though I doubt it. LOL. SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill On 07/11/2006 at 06:45:07 Malice wrote : > Hello. > I've just got a new Sony Ericsson W810i from Orange. > I was wondering if I have to charge the battery for a full 16 hours? > The reason why I'm asking is that the phone said the battery is fully charged > after about a hour. Is this correct? > Thanks. According to the SE W810i manual, no, 2.5hrs approx should be all that is required. (Page 8) SignatureP~K It's only when you look at an ant through a magnifying glass on a sunny day that you realise how often they burst into flames. - Harry Hill |
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