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So, i've been away for a month and a bit, i came back, and sure enough, my battery is dead.

I tried to jump it off a friend's car, but no luck, my interior and dash lights turn on, volt meter shows that good current is being passed to my battery, but when i try to start, she barely cranks.

could it be that the battery is just so dead that even when hooked up to another car, it doesn't have enough juice to start?

should i leave it connected to my friends car while its running for a few minutes to try to charge the battery, and then try to turn the key?

ps, the jumper cables i got from my friend were a little thin, any possibility that the cables are just not thick enough to enough amps to crank my engine?

any input would be appreciated, thanks

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As the fellas above me have said ^^

Ps How much Volts are you getting across the battery ?? Also what car is it ? If its a 33GTST or 33/4 GTR try using the contacts on the fuse box instead to jump it worth a shot..

Edited by nomnomv8

ps, the jumper cables i got from my friend were a little thin, any possibility that the cables are just not thick enough to enough amps to crank my engine?

^^You will know this 'cos they'll be too hot to handle, maybe even smoke up. Trickle charge (30bux from Supercrap) or new battery (bat may be stuffed anyway), like wives & girlfriends they do not take kindly to being left sitting around & ignored.

If you go away again for any length of time, disconnect or remove battery & store somewhere safe, preferably off the concrete floor. Works for me. :thumbsup:

My 2c

GW

When we get REALLY dead cars at work we use a few methods-

Strap 2 heavy duty jump packs onto it + jumper cables to another car and have someone reving the other car at around 3-4000rpm to charge it a bit.

From memory, i think you need more than 12.4 volts to start a car.

trickle charger wont do as its not meant to be used on near dead batteries..

goto battery world and for $20 bucks they will recharge your battery with their chargers and after that request a free load test when starting the car

otherwise u may need to replace it if it does not hold charge anymore

Whether a trickle charger (4 ~ 6 amps continous) is meant to be used on near dead (flat) batteries or not is neither here nor there.

For around 30bux you can get a trickle charger & try it. Worst case scenario you have this handy piece of gear in your arsenal for future calamities.

The only time a trickle charger will not do the job over some period of time & usually 8 ~ 24 hours is if the battery is rooted in the first place.

With reference to multi-cell batteries of any type, "rooted" = shorted (or reversed charged) individual cells, individual plates consumed/completely sulphated, full of..........etc. Obviously if your battery is past it's "use-by" date/old in the first place you will be outta luck.

For the price of a carton of Crownies it's worth a try.

My 2c

Cheers, GW

It has been my experience that the battery in the car being jumped needs to have at least some charge in it. A completely dead battery needs to be connected to the (running) jumper car for around 10 minutes to get some charge before you can even think about trying to start it.

And yes, HD cables are worth the investment. I've had lightweight cables become quite hot during even the simplest of jump starts. You can do an easy jump start with HD cables, but you can't do a difficult start with lightweight cables.

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