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Re: How is the 12V battery recharged? Max amperage?

Posted: Thu Jul 17, 2014 8:24 pm
by EVDRIVER
Bob wrote:If you tap directly into the big battery pack, you will be bypassing a lot of safety devices. So if someone has a radio that draws too much energy, it could overheat your big battery pack and do real damage. I don't want to over-react, but in rare cases, Lithium-Ion batteries are known to catch fire when abused.

The nice thing about using an inverter on the 12V system is that you have the inverter's inherent power limiting AND the Leaf's DC/DC converter power limiting to protect you from damaging the big battery.

Bob
What type of radio draws more than 100 plus kw? I would not want to be in the same room with anything that draws that much. Any pack-connected device would be fused regardless.

Re: How is the 12V battery recharged? Max amperage?

Posted: Thu Jul 17, 2014 8:31 pm
by LeftieBiker
It would certainly speed things right up at cookouts...

Re: How is the 12V battery recharged? Max amperage?

Posted: Thu Jul 17, 2014 9:00 pm
by EVDRIVER
And anything within a large radius.

Re: How is the 12V battery recharged? Max amperage?

Posted: Sun Jul 27, 2014 12:47 am
by Turbo3
For those with 2011/2012 Leafs Leaf Spy & Leaf Spy Pro now display the 12 volt charging amps in addition to the voltage measured by the VCM. This data can also be logged so you can graph a long trip and see how it varies. A negative reading is a drain and should only be seen when the Leaf is not in drive mode. If you stay in this mode long enough the battery voltage will drop down to the point that the Leaf will start to charge it back up.