Hi, I am facing a problem. I have a notebook of hp 3549tu . its battery does not connect. the battery's negative prod is on interface but possitive pole is unknown, ics are perhaps short or any other fault. who may repair it. may you sujest me where to send it for repair?
Yes. A lithium-ion battery pack that has one or more bad cells can be extremely dangerous, especially if it's put under a heavy load. Battery packs are made from many lithium-ion cells.
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We can settle the debate. If you can jump-start your vehicle, find your nearest Midas. (If you can’t, have it towed to Midas.) We’ll diagnose and fix your starting system -- or help you choose a replacement battery.
How to choose properly: make sure output voltage not be any lower than 9V, and the wire section not to be any less than 16 sq. mm.
The second rating, which is always higher than the first one, is called the burst or max current rating. This rating is a little more difficult to understand as it involves a timeframe. Not all cell spec sheets and battery cell manufacturers rate burst current the same way.
At Battery Joe, we have Batteries for Everything including all batteries for your household. 48 Total AA or AAA Alkaline for only $10.99!
If you have Magnesium sulfate (commonly known as Epsom salt) with you can easily recondition a car battery. First step is to check the battery voltage and ensure it to be less than 12 V. This shows that it is already dead. Heat about half a liter of distilled water to about 333K-348K (about 30 K below the boiling point of the water) Now, mix about a quarter of Epsom Salt in heated distilled water and stir it until the salt dissolves. For two different types of cells, this step involves different procedures.For flooded cells, you need to remove the battery cell cap.For dry cells, please drill through the sealed cap.For both the cells, pour out the old electrolyte. Insert the new electrolyte into the cell with the help of a funnel. (mainly Epsom salt + water) Next, for a flooded cell, replace the battery cap. For a sealed cell battery, plug the hole in this step. Keep in mind that you have to keep electrolyte properly distributed with no hint of air bubbles inside the cell. Finally, charge it slowly by keeping it on trickle charge overnight and then let it cool. By morning, you have a reformed cell in your hand that performs as good as new!
It can feel like the end of world when a device needs repair, but at iRepairToronto, we want to make the process quick and painless.
Try the correct position of the battery pack in the plastic shell.
Unlike ‘waste’ batteries, batteries that are destined for repair can be freely transported across national borders. This is because they are given the status of ‘product’, not ‘waste’, according to EU norms.
The power meter reported a range in power between 2 and 93.6 watts during the charging period, consuming 0.946 kWh in total. From my utility company, that represents around $0.11 worth of electricity.
Charge the battery overnight with a three-phase charger set to charge 6-volt batteries. On some chargers you will need to manually set the charge between 2.3 and 2.35 volts. Attach the positive wire (red) to the positive (+) pole of the battery and the negative wire (black) to the negative (-) pole of the battery. Plug in and switch on the charger after it is connected to the battery.
i want to repair my old hp probook 6555b battery due to less time average. it usually gives 40-45 minute after full recharge and sometimes it gives only 30 min or less so kindly send me solution at my email address. thanks
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This post is NOT sponsored by Ryobi. They do not approve of or endorse this method for fixing a Ryobi battery. AT all.
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Touching the red probe to the positive (red) terminal and the black probe to the negative (black) terminal, read the voltage shown on the multimeter. In my case the battery was carrying a charge of 0.06 volts. Which is *almost* nothing, but not completely nothing.