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by scrambler
Mon Dec 11, 2017 10:01 am
Forum: Batteries and Charging
Topic: New-to-me 2015 Spark EV owner questions
Replies: 1
Views: 1588

Re: New-to-me 2015 Spark EV owner questions

First read whole thread below that will answer most of your questions. http://www.mychevysparkev.com/forum/viewtopic.php?f=7&t=4994 Once you did that, 4.5 miles per kWh and 73 miles range corresponds to a battery capacity of 73/4.5 = 16.2 kWh; 4.2 miles and 73 range to 17.3 kWh. I live in North Cali...
by scrambler
Fri Dec 08, 2017 3:16 pm
Forum: Batteries and Charging
Topic: Connecting an inverter for emergency power
Replies: 23
Views: 11811

Re: Connecting an inverter for emergency power

The principle has been used a lot, apparently without any issues on the Volt Gen 1 and Gen 2. I think I read that the DC DC converter (APM) that recharges the battery can supply 175Amp at 13.5-14.5 volts. I also remember reading that the Volt Gen1 could support providing 1500W, but the Gen 2 was a l...
by scrambler
Thu Dec 07, 2017 5:45 pm
Forum: Batteries and Charging
Topic: Connecting an inverter for emergency power
Replies: 23
Views: 11811

Re: Connecting an inverter for emergency power

Forget all that I had looked at this too quickly and got the impression the screws available on the battery connectors were tiny, but they should actually be big enough for the Cables I plan to use. http://www.roughcountry.com/quick-disconnect-winch-power-cable-rs107.html And 100Amp breaker for the ...
by scrambler
Thu Dec 07, 2017 9:54 am
Forum: Batteries and Charging
Topic: Connecting an inverter for emergency power
Replies: 23
Views: 11811

Re: Connecting an inverter for emergency power

I already have a pas powered generator for two sump pumps in my yard, so this is just clean power for house electronics. We use to only have outages once or twice a year during big storms, but they lasted from 1/2 days to 3 days. An we had 3 outages during a few hours now in the last two weeks... St...
by scrambler
Wed Dec 06, 2017 5:53 pm
Forum: Batteries and Charging
Topic: Connecting an inverter for emergency power
Replies: 23
Views: 11811

Re: Connecting an inverter for emergency power

4 ga. to 1/4" ring terminals and large area washers on both sides of the ring terminal/battery bolt connection. You may have to buy longer bolts for the existing battery clamps. That is the part I have a problem with, unlike the Volt, the Spark existing battery terminals/clamps do not have a place ...
by scrambler
Tue Dec 05, 2017 8:49 pm
Forum: Batteries and Charging
Topic: Two identical sparks, 2 very different range estimates...
Replies: 49
Views: 13218

Re: Two identical sparks, 2 very different range estimates..

I got the numbers on the 2015 spark showing the lower range estimate today: After a 50 mile trip, shows 63% used and used 10.4kwh (53% driving and 10% climate control) = so 16.50kwh useable battery?? Isn't that low? Keep in mind that there is some imprecision in the calculation as the percentage on...
by scrambler
Tue Dec 05, 2017 12:08 pm
Forum: Batteries and Charging
Topic: Two identical sparks, 2 very different range estimates...
Replies: 49
Views: 13218

Re: Spark only showls 65-67 miles of range all the time...LO

What I do know is adding charge back into the battery will cause the DRIVE value to decrease while the kWh value remains the same. This results in a calculated battery capacity value higher that the actual value. To verify this, I recorded the DRIVE and kWh values shown on the Energy Information sc...
by scrambler
Tue Dec 05, 2017 11:24 am
Forum: Batteries and Charging
Topic: Connecting an inverter for emergency power
Replies: 23
Views: 11811

Re: Connecting an inverter for emergency power

1500 watts can be 107 AMPS. This is giving the car's APM a work out at full load. You probably won't ever come close to using it at full load. If you don't tap in at the bigazz battery cables, where can you tap in? A 100 AMP fuse right near the Positive battery post is the proper way to make for a ...
by scrambler
Mon Dec 04, 2017 4:44 pm
Forum: Batteries and Charging
Topic: Connecting an inverter for emergency power
Replies: 23
Views: 11811

Re: Connecting an inverter for emergency power

Post note: I took a closer look at the Spark EV battery posts and it is possible to connect a wire to each post. The only challenge would be to find a lug that would fit both the battery post and accommodate the required 5 AWG diameter wire. I know this is an old thread, but I was wondering if you ...
by scrambler
Sun Dec 03, 2017 5:41 pm
Forum: Batteries and Charging
Topic: Two identical sparks, 2 very different range estimates...
Replies: 49
Views: 13218

Re: Spark only showls 65-67 miles of range all the time...LO

I am just talking about the range displayed when each has been fully charged. This can be affected by driving style?? What difference would that make? It does make all the difference, as the range is estimated based on the performance (miles/kWh) of the last few days of consumption. Basically, the ...

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