car battery tester

[codcatcher3000]

hi guys . anyone got a battery tester i can borrow? preferably around peterlee hpool seaham . i had my battery drop tested the garage said it was ok . and said alternator was fine. so cant figure out why i need to jumpstart the car every few days ....any input would be welcome as well.

 

[lumpsucker]

Interior light or glovebox light staying on maybe? Parking light or something like that?

I had an intermittent wiring fault on a laguna a few years back that caused the battery to drain sometimes and not others. It was a right chow. Try looking on parkers cars forum for your make and model, it might point you in the right direction if its not a light

 

[moocher]

you may have a drain on your battery or a bad earth

 

[harry barker]

battery

battery

good chance its the blocking diode goosed mate, overnight the power from the battery will drain due to this faulty diode.

If you want to borrow a digital battery tester I've got one also.

 

[harry barker]

test

test

do a simple test.
Switch off everything on car, have all the doors and boot shut, remove the negative power lead to the battery then lightly touch it back onto the battery terminal if there's a small spark then pull the plug off the alternator and try again if no spark then its the blocking diode at fault.

worth a try, costs nowt best of luck.

 

[rossi46]

car battery tester

if its a new gel battery you will find that they are knackered once they go flat as you cant recharge them.

 

[marco1967]

same thing happened to mine a few months ago , 3 days = dead battery , had it tested and it showed to be fine. I bought a new battery at £96 and its been ok since fitting it .

 

[neil9629]

Parasitic drain from alarm, immobilizer, clock and such like.

 

[marco1967]

Parasitic drain from alarm, immobilizer, clock and such like.

^ this - mine was the led flashing for the alarm .

 

[codcatcher3000]

thanks for ll the replys lad. i got me a jumpstarter for work mornings just in case but it seems kinda frstrating when the the guys in the garage says alls fine ( without even trying to rip me off lol ) and its happens now and again. thanks again all.

 

[moocher]

thanks for ll the replys lad. i got me a jumpstarter for work mornings just in case but it seems kinda frstrating when the the guys in the garage says alls fine ( without even trying to rip me off lol ) and its happens now and again. thanks again all.

the garage checked to see if the charging system was working but did thy check for a discharge ( drain ) from the battery

 

[moocher]

this may help How to Find a Parasitic Battery Drain: 9 Steps (with Pictures)