Compaq Presario R3000 series charging/powering problem
Its 3 years old,never had a problem,until last month.It had strange charging problems.And the battery would drain down,even with the charger plugged in.I rarely used it on battery alone.And have a spare battery and charger,never made a difference.Now,both batteries are dead and the charging symbol(lighting bolt)comes on only momentarily,then shuts off,with no battery charging cycle or on with AC.Can I easily repair it or is it ebay from scrap parts?Thank You,JBG
Re: Compaq Presario R3000 series charging/powering...
Your power jack on the laptop is probably what when bad. you can take it apart and try to install an new one or you can power the laptop through the side docking port. I wired up a custom connector to use with the ac adapter to make it connect to the to wide metal slots in the docking port.
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Your battery is faulty, probably caused by the non tomtom charger.
Ring tomtom on 08451610009 as the unit is 6 months old and they will repair it free of charge. DON'T tell them about the other charger.
White lined screen is a battery problem
Without knowing how old your laptop is, I suspect that the problem is the charger, if its over 1-2 years old, you may have to replace the charger, the problem may be that the laptop is draining too much power for the worn out charger to provide and it switches to battery power instead.
When the laptop is turned off there is less of a drain on the charger and it still has enought juice in it to charge the battery, but not run the laptop at the same time.
NiCad batteries have this problem when they are recharged frequently after being only partially discharged. This is also the case when the batteries are left in the charger continuously - even if the charger is described as being "automatic". I have old 12v batteries that I have been using for 20 years, but I only charge them for a few hours, and only when they have run down enough to be useless. I prevent leaving them too long in the charger by using a timer that cuts the power to the charger after a couple of hours. A couple of years ago I bought new drills and chargers, and believed that the chargers would be automatic and so could be left plugged in. Those batteries only lasted a couple of years, while the old ones are still going strong. I now use the timer for any of these chargers, automatic or not - but I had to buy new batteries first.
Ifthe laptop battery is more than 3 - 4 years old then the battery could be wornout. Rechargeable batteries have a finite number of charge and discharge cyclesand will lose their charge capacity over time, i.e. won't charge to 100% andgradually the charge reduces until the battery won't charge up atall.
ORThe battery shows a 100% charge but when the adapter is disconnected thebattery drops off to zero capacity in a very short time.
Ifthe battery drops to an unacceptable charge level then the battery needs to bereplaced.
ggirl why did you buy a pig in the poke they should refund your money because the batteries should have a six month warranty. Now always ask for the date code on batteries you are buying they shouldn't be any older than 4 months old. There are good batteries out there but if I offend anyone I'm sorry but MK batteries are very good also Interstate batteries and probably others that I'm not aware of. The best way to insure good batteries are buying fresh batteries, Charge them before you use the chair and always get into the habit of charging overnite if you use the chair daily. Never leave the charger plugged in more that 12 hours and if you don't use the chair daily charge at least once a week and always put up fully charged. Mk recommends charging the batteries daily for the first 20 days. Never run the batteries or let them fall below the red light on your battery level indicator. Your chair runs on about a 5 volt range (26-21 volts) after that the red light blinks like crazy. If it falls below 20 volts the charger will not charge the batteries. If you take care of them they should last you 3 years or more. Hope this helps
The battery charger is only made to last 1 year if you
re lucky. They are all made in China very cheaply and some only last a matter of months. If you are on Medicare they will replace the charger if necessary after a year. Good luck, hope this helps
Unfortunately, Makita’s li-ion battery packs have a design flaw. After having the same problem with my two batteries, I took it apart and saw the problem immediately. You see each battery pack has ten li-ion battery cells and a circuit board with a memory chip witch holds the charging history of the battery pack. But that memory chip constantly draws power from 2 of the 10 batteries. The current it draws is very small but if you consider it over 8 month or more, the power drain becomes very significant. You end up with a battery pack with 8 still fully charged battery cells and 2 drained battery cells. When you put this battery pack in the charger, it detects weak battery cells, assumes they are defective and refuses to charge. To avoid this problem you should charge your battery pack often, even if you haven't used it, every two months should be ok. I suspect that Makita doesn’t make these battery packs, they make power tools, good ones too. Buy Makita should definitely have a few words with their supplier before they become a liability!
Usually Lithium-Ion batteries have a Memory effect, ie. the battery should be 100% consumed then only recharged. If the battery is only 40% used and recharged then the battery will give you only 40% of it's total charge. The battery starts showing you empty after it is 40% consumed even it was 100% charged. Now there is solution for this-Drain battery upto full, store it in a cool place like Frigde then charge it full then again use it upto last. Repeat this procedure for 2-3 times.Your battery should come to normal state. Also check the charging current of the charger.The charger
might also be faulty.