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Battery won't charge

New li-ion battery won't charge in compaq 12xl500

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Chances are bad battery or bad battery circuit. Does the charging light come on? If answer is no, then your power jack or power adapter is bad. If the answer is yes, Its either bad charging circuit or bad battery. Unless you can buy another battery to test it, you will need to take it in to your computer repair shop.

Posted on Jan 16, 2009

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Can you use 18v lithium battery in old 18v drill


Yes you can. On tools, 18 volts is 18 volts. Tools don't 'know' how the power is being created, either by Ni-Cad or Li-Ion means. Chargers are totally different. Most Li-Ion chargers can charge older Ni-Cad and some Ni-MH batteries but older Ni-Cad chargers will charge Li-Ion battery untill they overheat and sometimes start on fire because older chargers can't detect when the Li-Ion batteries are full.

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Samsung SLB-11A Battery



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Looking for the longest battery life laptop ?


We’ve yet to see a Windows laptop with battery life longer than 5~7 hours, unless we add an extended battery to the system. But when hpand dell launched its new series of laptops last week, one big push wasfor longer battery life.

When you purchase your notebook, charge the battery to 100 percent,discharge it completely, and then fully charge it to 100 percent againto help the battery remember exactly how much electrical charge it canhold. From then on, you’ll never need to completely discharge the laptop battery again, but always make sure when charging it that you let it reach 100 percent. DeHoop told us to “remember to plug in the laptop AC adapter(or dock/port replicator) whenever you get a chance. Most notebookswill recharge quickly.” Salinas had another tip for your batteries:“Keep them cool. Exposure to high temperatures can be a battery’s worstenemy,” he said

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2 Answers

Battery will not charge


li-Ion batteries have a bad habit: whenever fully depleted, they lose a few cells, to the extent that they might not be able to hold a full charge if enough cells are damaged. In other words, repeatedly using a laptop (or any other Li-Ion powered device) to battery depletion can shorten the battery's life significantly. You might want to keep the batteries fully charged whenever possible and avoid fully depleting them too often.
There is also the habit of "re-setting" the batteries by using the "fully deplete-fully charge" procedure. It only applies to niMH or NiCD batteries ( and is used to erase the "memory effect" ) but is damaging to Li-Ion batteries for the reason mentioned above.
so if your battery can not full charge,this mean you need change a new battery for your laptop
http://www.aulaptopbattery.com.au

Oct 05, 2012 | Computers & Internet

1 Answer

New battery HP g61 is fully charged but not working \


Maybe the AC Adapter Power Cord is not working. If you can't get on the laptop with the power cord then it is bad and the battery might be drained so you have no power source to power up the laptop.
If the laptop works only off the Power Cord and the batteryis not charging, then the battery is dead.

To check to make sure the Power Cord is working remove the battery and let thelatop run for 10 minutes or so.

To check to see if the battery has any charge left in it put the battery in andremove the power cord. If it won't boot or shuts down then the battery is deadand needs to be replaced if the power cord is ok.

Apr 30, 2012 | HEWLETT-PACKARD HP G61A50US 156 AMD Athlon...

2 Answers

One question please, I have makita cordlless


according to the schematic I saw yes you can and I think that you will be pleased with its performance, their operator manual even lists the weight of tool with this battery. Makita has a 1 year limited warranty on the Li-Ion battery that you might want to consider if you have the receipt.

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1 Answer

I put a new battery in my camera charged it. Used the camera till the battery ran down. Now it won't charge . This is the second battery I've bought every time I try to charge it won't charge.


It takes over 7 hours to charge, so did you leave it charge overnight?

But while the original battery is chargable, disposable replacements are not. Here is what the manual says:

{ ...
The supplied battery is a Li-ion battery. It charges while in the camera using the supplied charger. The camera can also use a Duracell CP1 disposable Li battery, which has the same form factor as the supplied Li-ion cell. HP claim the Li-ion cell will provide power for approximately 200 shots under "average" use and 100 shots with "extensive use of the LCD and flash".
Charge time for the battery using the supplied charger and in-camera charging is 5-7 hrs for a fully depleted battery. In the optional docking station, charging takes 2.5-3.5 hrs and using the optional rapid charger, charging takes 1-2 hrs. ... }

http://www.bobatkins.com/photography/digital/hp707.html

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1 Answer

Logitech MX1000 Laser Cordless Mouse, I replaced the li-ion battery with a NiMh AAA battery pack, soldered in the board that was on the old battery and used it for a week before the battery pack needed...


Li-Ion battery and NiMh battery have completely different charging requirements! Li-Ion battery has much stricter charging requirement and the regulator is normally design to trickle charge at 0.1 Current rating @ 4.2V and then completely shut down.
WARNING: if you use a Ni-Mh charger on a Li-Ion battery, then it will erupt and even explode and catch fire!
Bottom line is that the rescued Li-ion regulator is not designed for your Ni-Mh pack and you will never get a full charge with it and you will need a completely different regulator board: you are better off putting in a suitably sized Li-Ion battery with inbuilt regulator but with higher current rating if possible.
Hope it helps! Let me know how you go.

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Battery for HP Compaq nx7400


The difference is battery life. So just buy whichever you can afford.

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2 Answers

Makita dc1804f charger will not charge new i-mh 1834 18v battery


I think your tryiong to charge NIMH batteries oon a charger designed for Lithium Ion batteries. With all the new style batteries such as NICAD, NIMH and LI-ION, charging becomes difficult. Most chargers pre NIMH and LI-ion, were designed for NICAD's. The best advise, match your batteries with the correct charger

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