If you freeze a battery will it give it a supercharge? Also is it  better to freeze it dead, or charged?
112178
no, It merely helps to conserve the the battery.  Even you you freeze it to near absolute zero, batteries typically aren't made of superconducting materials so there would be no beneficial effect.\n\n^^
827606
There are two schools of thought but my tech support from Gateway said turn it off if you are gone 2 hours or more. I don't do that. I set it to hibernate at 2 hours. (In Control Panel, Power Options). However, as to lithium batteries they can 't  be ruined by overcharging. I leave my computer plugged in several days at a time.
208780
A battery is a storage device. If it is "under constant charge" it is unnecessary, since the electricity charging it can be used to power whatever you are using the battery for. If you mean there is constant power to the battery but not enough to perform the work, then you need to give more information, basically coming down to how much power is coming from the battery to make up the difference, and how big a battery and is it at full charge at the beginning.\n\n"Horse" - if you mean horsepower, is the work done by the motor. It has little to do with how much battery power you need to run the motor, which depends more on the size of the motor. The work done depends on the torque produced when power is applied to the motor.\n\nSee http://en.wikipedia.org/wiki/Maximum_power_theorem
20749
Heat drains out battery power. To help them last longer place them in the refrigerator! Keep new batteries in original package, or place them in a plastic bag to fight against moisture. Remove the batteries from the refrigerator 2 hours before using.\nhttp://foodgeeks.com/resources/householdtips.phtml?cat_id=10\nMore info on\nhttp://www.straightdope.com/mailbag/mbattcharge.html
701647
An idea would be to use a relay circuit to control the operation of the charger. The voltage out of the battery could be divided so as to latch a "normally off" relay to keep the charger off. The resistance of this circuit would be such that it would not excessively drain the battery. Once the relay is unlatched, the charger would come on.\n\nNow the difficult part - the voltage applied to "charge" the battery would have to be in excess of the "high" voltage in your range. A suggestion would be to use a timer to then cycle off the relay.\n\nThere are commercially available products that already perform this function, if I am not mistaken.
40221
Batteries are self-contained chemistry sets, and chilling a battery slows down the reactions within that are slowly breaking down the alkali fluid, thereby preserving the electrical charge longer.\n\nLet's learn about electricity. Electricity is energy released from electrons travelling between atoms. Electrons can travel through any medium (air = lightning, you = electrocution), but they like conductive metals like copper the best, where they travel in a circuit, or a giant circle, between their origin and their destination. Electrons are stored in a battery like a sponge holds excess moisture.\n\nWithin a battery is a chemical (usually an alkali or an isotope-based solution) that retains electrons within like a sponge. Let's just say that battery fluid has properties about it that make it great for retaining excess electrons.\n\nWhen you chill a battery, you slow down the breakdown of the chemical within the battery housing (it will eventually break down into water + a precipitate), thereby preserving the charge that stores electrons. \n\nAnd remember, electrons in motion = electricity.
974533
Laptop batteries have finite life spans. Whether you use the power cord and remove the battery it will lengthen the life of the battery.\n\nLi-Ion laptop battery lifespan is approximately 1000 charge cycles, or 2-4 years under normal operating conditions.\n\nKeeping the battery in a cool place can prolong its life but not in a period of extended storage. The Li-ion battery should be stored at 40 percent rather than full-charge state.\n\nThe battery ages even if not used. For best results, keep the battery cool. In addition, store the battery at a 40 percent charge level. Never fully charge or discharge the battery before storage. The 40 percent charge assures a stable condition even if self-discharge robs some of the battery's energy. Most battery manufacturers store Li-ion batteries at 15°C (59°F) and at 40 percent charge.\n\nKeeping a laptop battery on constant charge is and never using it is not good for the laptop battery. Run the battery down and recharging it at least once every month.
612013
I had the same issue with my computer.  Unfortunately, the battery has died and you need to replace it.  When you get your new one, try these things to preserve it:  use the charger whenever possible even if the computer is charged, never leave the charger connected when unplugged (it drains power) and shut the computer off when not in use.  These should help to preserve the battery next time!
828589
Even though the battery says its charged it may be bad. Do you know someone with the same laptop, so you can borrow thier batttery to test it.
368255
No , Because inside the battery is acid and this acid makes energy.When the battery is flat the acid is dry so the battery can't make energy.
27798
NiCads in general electronic applications are typically designed to NOT get hot, since the heat destroys the NiCad battery, can damage electronics and causes lawsuits when users get burned from the hot battery.  Some devices like radio-controlled cars are high-drain applications that generate a lot of heat, so the batteries for these devices are designed for their specific use.\n\nBatteries get hot when they charge due to the high current going into them.  The faster they charge, typically the hotter they get.  When the battery discharges during use, the same thing happens, the battery gets hotter as more current is drawn from the battery.  \n\nWithout knowing anything else, my guess is that high current draw from the battery cells is causing them to heat up.  This can be due to a defective battery, a battery not designed for the way you are using it or your modification damaged the battery or is otherwise causing excessive current drain.\n\nAlso, increasing the supply voltage can drive more current through the device, so it may just be that the higher voltage is drawing more current.\n\nI’m not sure how the device is shutting down, so I can’t say why it’s doing that.  Note that the voltage at which a device stops working is the voltage seen by the device itself.  If you remove the battery from the device and measure the voltage, you will get a different voltage than if you measure the voltage at the precise moment the device shuts down.  This is especially true for high current drain applications, which appears to be what’s happening with your batteries. \n\nPlacing the NiCad’s in the freezer won't help.  They’ll have to warm up to work properly anyway.
257773
That is a pretty old laptop.  I suspect the battery may be so old it may never charge and you will have to get a new one.  One option though is to put the battery in the freezer for a few hours and then give it a couple of days to charge up.  Some times this can revive an old battery for awhile longer.
645723
Try Battery Doctor or Re-Zap.\n\nWebsites below.
37340
For the battery life, I heard that it's better to take out the battery when you're using the AC adapter, unless you specifically want to charge it.\nOtherwise, the battery will charge, then discharge a little, then charge again, etc. and this may wear it out.\nFor the same reason, use the AC adapter whenever possible.\n\nBesides that, just be careful not to hit/drop/spill something on the notebook.\n\nAbout the first answer: "Frequent full discharges should be avoided when possible" and "Avoid frequent full discharges because this puts additional strain on the battery" (see the source below)
750902
Yes, I do it all the time.\nIt works with any modern laptop.\nTurn off the laptop, remove battery, replug power adapter. Turn on.\nAs simple as that.\nTo use battery again, turn off, replug, turn on.\n\nThe power adapter supplies power to turn on the computer in the same time as it charges the battery. When the laptop is charging, the battery is not used. This is why battery live longer if you keep on pluggin in your laptop, and sure you can remove the battery.\n\nSometimes I even unplug the battery without turning off the laptop. But I wouldn't suggest this as this may possibly damage the circuitry in the long run.\nMy 3 years old laptop battery recently fails to hold a charge, because its old and I use it extensively. Now I'm using it without battery. It's much lighter to carry now :D.\n\nHowever, you should be careful with the battery.\nIt's not good to store the battery too long in certain condition. I suppose your laptop is a modern one and uses Lithium Ion (Li-Ion) battery. Lithium Ion battery is an unstable chemical, as with other battery. It will degrade in quality and capacity over time. But it will degrade faster under certain conditions:\n1. Too hot or stored in a hot case/room (for example in a car under sunlight).\n2. Charged full (100%) and then not used for a long time.\nThe battery will also die if you empty or near-empty the battery (like 0 or 1%) and then remove and then store it for a couple of days to weeks. Li-Ion batter has a certain threshold of voltage and if it reaches a certain low voltage, it will explode if recharged. There is a mechanism in the battery that will prevent the battery to be recharged if the voltage reached very low levels, and it will not explode, but you will have to buy a new battery.\n\nSo, if you want to store your battery, make sure to store it when it is around 40% charge. This is the optimal charge that will make it live longer and you can store it like 1-2months.\n\nThanks for 2 points.
502133
Short circuiting the battery is not a good idea, but it should not explode or leak "acid" as you suggest.  It is actually incorrect to call the inner contents of a standard 9 volt batter "acid" since there is actually no "acid" inside.  Most standard batteries are called "alkaline".\n\nThe wire placed acrocess the two leads of the battery has very little resistance...almost zero (but not quite zero, just a tab above).\nAccording to Ohm's law,\nV = R*I\nwhere V is the voltage, R is the resistance, and I is the current, you can see that with a very small resistance, a very large current will be drawn.  This large current will heat up the wire. Depending on just how much current and the type and thickness of the wire, the wire may or may not begin to glow or melt.\nSoon after shorting out the batter (within a few minutes) the battery will be dead.  An aweful waste of a battery in my opinion.
1021931
What this means is that you should completly discharge your battery. Windows will go to suspend or hibernation at around 3 percent of the battery and what this does is allow the buildup of a memmory effect.\n\nThe memory effect in electrical batteries, also known as lazy battery effect, is an effect observed in some rechargeable batteries that causes them to hold less charge. The term has become almost universal in describing any such effect, though in its original meaning it describes one very specific case.\n\nFor more info on the memmory effect go to http://en.wikipedia.org/wiki/Memory_effect