Car battery?

My battery was charged and within a few days it looses the charge and doesn't start the car - I then put the battery from my other car and the car started first time - I'm now guessing that now is the time to get a new battery for the car - where is the cheapest place to go does anybody know??Car battery?
It sounds like the alternator has gone.
go to somewhere like interpart or somewhere that supplys to the trade.Car battery?
It quite possibly could be the battery, with a dead cell. It also could be that the alternator isn't charging. With the engine running, use a voltmeter and take a reading of the voltage at the battery terminals. If it is somewhere around 13.7V then the alternator is fine and it is the battery. good luck.
Your battery is not receiving a charge from your alternator. The battery is probably fine, you have other problems!Car battery?
A lot of people have, quite rightly pointed out that it might not be the battery. When you start the car with another battery you say it starts fine but if you leave this battery on for a few days, does this also loose it's charge? If so, then it's definitely NOT the battery.



As most people have pointed out, it could be the alternator failing to charge the battery or a bad earth connection, causing the battery to 'leak' power when it's switched off for a while.
don't be so hasty, first, charge the battery and have it tested at auto zone or another parts store. At the same time, have them check your alternator to see if it is working and if it recharges the battery. Or, you could charge the battery, swap it into your other car and see of it goes dead. If it does,it's the battery, if it doesn't it's probably the alternator or possibly a bad battery cable in the other car. Keep the charged battery from the second car with you so if the old battery does go dead, your not stranded.
okay okay soooo the alternater is the first place to start it should be producing 14.7 volts to charge the 12 volt battery if not the alternator needs to be checked at a mechanic or auto parts store and probally replaced. also check the alternator belt to make sure it does not have excess free play tighten if loose. the other thing to check is the teminnals both positive and negitive for build up of corrosion or oil and grease check both ends of the cable if possible. i suggest wal mart if you do need a battery the super walmarts will install it for you. good luck I hope this helps
Phone up your nearest auto electricians.





You could always go for halfords if you want a really cheap and nasty one.





After you've checked that your alternator is actually charging the battery of course
Google auto motive batteries, it should come up with loads of people online, don't forget to click uk only.

I have recently got a battery for my brothers car and i got the price down from 拢119 to 拢 49.99 just by sitting down with the phone and phone directory and calling about 10 differant firms some were distributers some were manufacturers who also sold to public, so that is another option, dont forget you will ned you car details e.g; make, model, year, cc, dont worry if they ask you if you have got another quote tell them your lowest quote minus a fiver, they kind of know who is selling what and at what price so dont go making to of a differance on the lowest price, and also ask about how the warranty is on the battery.
It might be your battery, but it could be your alternator.

You better get it checked before you buy a battery

Otherwise you will buy a battery AND an alternator
try a salvage yard as they sell quite reconditioned battery which are as good as a new battery................................
Before buying a new battery, run this one in the other car to make sure that it isn't the car's fault.



I would help to know how old the battery is. If the battery came with the car when you bought it, and it was a used car, I have seen dealers but under rated batteries in a car that they knew needed a larger sized one.
$20 at your nearest Junkyard
As mentioned, it could be the alternator. Get that checked before you buy a new battery or you could be spending twice as much as needed.
REMEMBER THAT THE CHEAPEST WILL ALWAYS BE THE WORST IN THE LONG RUN.



TRY FINDING AN INDEPENDENT SHOP INSTEAD OF THE DEALER OR A CHAIN STORE BECAUSE YOU WILL BE OVERALL MORE PLEASED WITH THE FINDINGS AND THE SERVICE.