Do I Need a battery charger for COBB Tune?

[Nerdy Oreo]

Inside your garage?

LOL oh. Yeah itl be in a parking lot.

 

[jimlloyd40]

LOL oh. Yeah itl be in a parking lot.

Her car should be running. The initial flash takes time and puts a pretty good draw on the battery. Even flashing a tune without a charger or your girls car can be risky. The Access Port usually won't allow you to flash if it doesn't detect enough juice.

 

[the]

I did it without plugging into a charger or trickle, but I had a relatively new oversized battery, only about 2 months old. The flash takes about 20 minutes, in hindsight I wouldn't do it that way again.

 

[Nerdy Oreo]

Her car should be running. The initial flash takes time and puts a pretty good draw on the battery. Even flashing a tune without a charger or your girls car can be risky. The Access Port usually won't allow you to flash if it doesn't detect enough juice.

So what is the least riskiest way of doing it? Because as you said even using another car/battery is risky. What size battery maintainer/tender'er would I need for it to be safe to do?

 

[jimlloyd40]

So what is the least riskiest way of doing it? Because as you said even using another car/battery is risky. What size battery maintainer/tender'er would I need for it to be safe to do?

You can use her car with it running. Cobb recommends a 10-20 amp charger that won't automatically revert to trickle charge.

 

[aaronc7]

After having several failed flashes I kinda got over the fear. And my battery is pretty new. I don't flash with a charger hooked up unless the car has been sitting all weekend or something.

But yes, it's not a bad idea either. Initial ECU flash takes like 30 minutes. Other ones and uninstall flash is MUCH faster, i would only really worry about the initial ECU flash

Side note, it's very hard to brick these ECUs, so don't stress it too much.

 

[Nerdy Oreo]

After having several failed flashes I kinda got over the fear. And my battery is pretty new. I don't flash with a charger hooked up unless the car has been sitting all weekend or something.

But yes, it's not a bad idea either. Initial ECU flash takes like 30 minutes. Other ones and uninstall flash is MUCH faster, i would only really worry about the initial ECU flash

Side note, it's very hard to brick these ECUs, so don't stress it too much.

Yeah I'm going to flash it with the Cobb stage 2 tune for now while I wait for eqt to send me the stage 2 tune from them

 

[Daks]

I've flashed over 10 times in my life - never had it hooked up to a charger. YOLO.

 

[jimlloyd40]

I've flashed over 10 times in my life - never had it hooked up to a charger. YOLO.

I have to but in retrospect it isn't worth the risk. I've read the stories in here where guys bricked their ECU.

 

[aaronc7]

Lol, I'm in the 100s. Really guys, it's not that scary.

 

[Daks]

I have to but in retrospect it isn't worth the risk. I've read the stories in here where guys bricked their ECU.

I know. But I'm spicy - I live on the edge.

 

[Daks]

I have to but in retrospect it isn't worth the risk. I've read the stories in here where guys bricked their ECU.

Jim is your new Turbo on?

 

[jimlloyd40]

Jim is your new Turbo on?

Nope not yet.

 

[Maiden69]

Buy a cheap 3 amp charger for peace of mind. When I decided to load my tune I bought a $50 one from O'Reillys and plugged it to my battery to find out the car battery was at 70% charge... on a 3 month old car out of the dealership. I waited for the car to be fully charged and then did the tune while the charger was still attached to the car.

https://www.oreillyauto.com/detail/...p-6-12-volt-battery-charger/shu0/sp1297?pos=7

 

[Daks]

Nope not yet.

Come on man.