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The manufacturer of the units is very attentive to detail as far as expansion with charging. They utilize a gore valve to help with the hear when the batteries and components expand. However, the replacement batteries we receive, which i believe are quality last almost half the time as the original manufacturers batteries. Do you believe this to be a coincidence or quality factor.
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The manufacturer of the units are very attentive to detail as far as expansion with charging. They utilize a gore valve to help with the heat when the batteries and components expand.
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However, the replacement batteries we receive, which i believe are quality, last almost half the time as the original manufacturers batteries. There seems to be a lot of controversy on the subject of lithium-ion batteries and what you should do with them when you first receive them.
That could solve your problem, or you might just be getting old batteries. Next time you receive a new battery, try this method, I think you will be surprised. Paul J That could also be just down to the fact that this sort of cycling is used to calibrate the battery mater in some equipment - Apple Macs spring to mind here. So repeating this until your battery is in peak form usually 3 or 4 cycles will keep updating the calibration values and hence give you the most accurate reading. This in turn will give the longest time before the software of the device thinks the battery is nearly flat and shuts down to protect your information.
Anyway, thanks for the thread. They could all do with having an article similar to this, but specific to their particular battery, charger circuit and typical usage patterns, in their manual. Thanks for an informative article. Always good to notice that mans inhumanity to man is hard wired. I would imagine derp could learn a bit from someone who is retarded, like how to treat others. Can people still major in 9 volts?
Appreciate you droppin knowledge like Galileo dropped the orange! He tends to charge his phone in short stints where I tend to never attach to the charger unless I can leave it long enough to fully charge. Any thoughts? We both have the Samsung Galaxy S which is a great phone but a huge energy suck. I must recharge once a day which I do at then end of the day until the morning. Your boyfriend is correct. Lithium Ion technology can accept a topping charge at any time and doe not require a full charge.
I also have a Galaxy S and I charge it whenever I get a chance. You should prime the battery the first few days though by draining it completely and charging completely. Derp is certainly a character. There, I said it. Anyone have any luck with freezing dead batteries and bringing them back to life? Besides, this monster 7lb laptop is lighter without the battery.
Works fine on straight AC. Another question has come to my mind regarding saving power on Li-ion batteries. Will it make no difference to plug the battery in and out with the laptop running on AC power or is battery life saved by turning the computer off first for the switch between power sources?
Lugging around a nearly 8lb laptop with battery installed for any great distance will make a man pine for something much smaller and lighter!
It was worth a try, I guess. All you need is a dead battery and a freezer bag. How many kWh do you have to get from the power supplier to get kWh into the battery. I am thinking of buying an electric bike, but I go away to Africa during the British winter, so the battery would be stored unattended for six months each year. Is this going to be a problem?
Have you any advice? Phone is well primed based on my previous charging habits. My first cell phone would run 13 to 14 days continuously per charge for nearly 10 years using this rule.
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Then communication protocols changed from analog to digital. The previous day it would power it for nearly 2 hours. The battery did not undergo any shock - the computer was sitting on a table. My personal experience in using rechargeable batteries for the last 20 years consistently agrees with this rule. This seems to me to say that the depth of discharge is much less important than you would initially think from just looking at the number of cycles alone, as the amount of output is actually slightly more under the deep cycle, but for practical purposes is close to equivalent.
I have a new netbook and want to preserve the Li Ion battery as long as possible. I have no occasion to need to use the netbook on the battery, but I may someday. Is this a good strategy? Should I charge the battery about half way and put it in the fridge sealed to prevent moisture incursion. My suggestion to you would be to read the article instead of just the comments. It seems like only a few people actually took the time to read it, and everyone else wants answers without doing the reading. Jeff, I think it is just stated to be equivalent for practical purposes because it is close enough.
Paul, yes what I am saying is that they are practically equivalent. But the article seems to imply that very small cycles is far better. As I stated before, a faulty charger connection caused very small cycles on my last Li-Ion and it destroyed the capacity in days. I would certainly not recommend discharging any of these chemistries small amounts between recharges. This allows you to keep it plugged in for periods of time without excessive short charge cycles.
Some also have the option to turn the charger off until it is really necessary at a low remaining charge. This is a clue that notebook computer manufacturers agree with me on this aspect. It was for the people who just come here for free answers without putting forth any effort to actually learn what the article is teaching. That said, bear in mind when you read this article that it was published in Lithium-Ion technology has advanced and is better understood now than it was in If not does this have an implication on the life of the battery and by how much?
Is energy wasted in the process becuase the charger tries to keep pumping into an already full battery and if so what is the loss like?
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Good point - read and think through the article before asking a question that was already answered. I have heard, but cant confirm, that the batteries, factory fresh, are chemically stabilised, somehow. The first charge cycle or two disapates this stabilisation, hence the need to cycle the battery a few times to get full capacity Colin, Ref your E bike battery.
Check out the Endless Sphere E bike forum for an answer,once you know battery chemistry. First let me thank you for this great article and this website, very informative. I pull out the battery whenever I have access to power outlet. Charging the battery while the computer is running may cause the battery serious stress because of heat. I know that everything even computer battery has an end. If I reach that point, I would dissect the battery, ebay some Li-Ion and then solder it to place. That would save me a lot of bucks.