My laptop battery will not charge- I have replaced it with a new battery and after the initial charge that was in the new battery ran down it would not charge back up The battery information in the power meter shows the battery with o charge and does not show that it is charging. the charging light on the front of the laptop only comes on for a second then goes out.
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Gel cell batteries usually are good for 3 to 5 years and from your description, it sounds like the battery is not recharging properly. They will indicate a full charge but in reality, do not have the stored power to operate the device. Check for replacement batteries at your local burgular alarm shop or buy online BUT make sure to match the voltage and AH (amp hours) ratings.
I know it sounds silly, but have you replaced the batteries? Do you have your receipt still? Maybe it is still under a warranty of some sort? As for that dealer, maybe he could let you exchange it if you have a receipt?
If you are using Nickel-Metal Hydride, rechargeable batteries, they are not designed to hold a charge for a week---just a couple of days if that. They are meant to be continuously charged or when charged, used immediately; best use for cameras/flash.
I would suspect that the internal battery may need replacing as it cannot produce enough output to sustain the system at high power.
There is a lot of support available on this website (including video of how to replace the battery)
First, the battery is a Lenmar PBA50 found on ebay.
Second, place the amplifer onyour lap with the battery cover off and tap it on your leg, the battery should slide out the back.
Third. I have 2 of these amplifiers and both would not charge or play on battery. The problem is the metal spring contacts the make contact on the battery, they get out of shape and fail. I bent them around until I was able to make the work, but do not like that solution. Beside the left in of the battery is a small "pocket" if you will. I opened up the amplifier (BECAREFUL the handle come loose and there are nylon washers on each side total of 4 that will do what ever they can to escape.) With the amp opened I located the 2 wires going to the metal battery contacts and cut them off and removed the contacts. I then drilled a hole into the small "pocket" and routed the wires down thru the hole. I remove the battery and carefully soldered a wire on each battery contact. I then put a et of connectors on the wire end making sure I kept the polarities correct and plugged the into each other. I now have very good battry connection and all works well.