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I happened to catch my odometer just as it rolled up to the next binary digit. :biggrin:
Try a few range charges and note carefully the numbers. Your car may dislike 110 charging.I have 7,100 miles after 1 year. My battery only gets around 174 miles on a recharge now. I am just charging with the 120V since I usually don't drive more than 40 miles a day (and I would need to upgrade the electrical in my house and I may be moving soon). I've had them look at the battery before as it said around 140 after one of the firmware changes and they reset one of the tables (or something like that) to get it back to the 170s. I still think something is wrong. The other weird thing is that my "real" miles are around 110 miles even after I fully charge up to 170 ideal miles. I know I drive fast but the reality is most of my commute has a lot of traffic so I can't be going *that* fast.
Try a few range charges and note carefully the numbers. Your car may dislike 110 charging.
From what I've seen/heard, I think the problem might be that your battery isn't really balancing itself very much if you are always charging at 110. For one thing, because of the slow charge, you spend a lot less time at full charge (in any mode), and the time spent plugged in at full is what allows the trickle balancing to occur over a long period of time. Over a short time, I doubt this matters, but maybe over the course of months/years it has an effect.
Are you saying that maybe if less time is spent at full charge that it could have a negative impact on the battery? I'd really like to know this because was thinking about not always charging fully when I'm just using the car in town -- kind of keeping it between normal and storage mode I guess you could say. So the question is would it be better to charge fully all the time or only charge to say 70 or 80% most of the time?
I'm also currently charging at 110 (actually 100V/15A) most of the time, but since I plug in every night I'm able to keep the car at a fairly high state of charge. When I go on longer drives I charge at the dealer afterwards (which is just 1 mile from my house) with their HPC. I'm up to about 1000 miles on the odometer now in just over a month of owning the car, and I've noticed that my ideal miles have ticked up from 191 to start out with, to 192, and now 193.
benji4,
You should charge to full in Standard mode and let the car sit for an hour ideally. As Lancelac stated there is balancing that occurs in this time. There is no difference between 110 and 220 in this case other than many drivers don't see full charge +1 hour very often charging on 110. Don't worry about the penalty of charging to full Standard. The effect is statistically insignificant.
Upgrade to 220 though. Cooling is more effective (turns on sooner) and it isn't so difficult to get a low amperage 220 line connected (in most cases). And 220 doesn't really hurt the battery any more than 110 does. The chemistry can handle it.
Zak
You said that it's better to wait and hour or more after charging-.
Are you saying that maybe if less time is spent at full charge that it could have a negative impact on the battery? I'd really like to know this because was thinking about not always charging fully when I'm just using the car in town -- kind of keeping it between normal and storage mode I guess you could say. So the question is would it be better to charge fully all the time or only charge to say 70 or 80% most of the time?
I'm also currently charging at 110 (actually 100V/15A) most of the time, but since I plug in every night I'm able to keep the car at a fairly high state of charge. When I go on longer drives I charge at the dealer afterwards (which is just 1 mile from my house) with their HPC. I'm up to about 1000 miles on the odometer now in just over a month of owning the car, and I've noticed that my ideal miles have ticked up from 191 to start out with, to 192, and now 193.
Thanks Zak, I'm definately going to upgrade soon. Actually in Tokyo it will be 200V rather than 220V, but should be enough hopefully. You have to pay more for additional ampherage here over 100A unforfunately, but what I'm doing is upgrading to 120A total and putting a 50A breaker in the garage. You said that it's better to wait and hour or more after charging- why is that, and what about waiting more than an hour? I asked the dealer about storage mode and he said that I'd only want to use that if I'm not driving the car for 2 or 3 months.
...my battery was replaced at the end of Oct 2009 with about 2800 miles on it...
...Tesla just replaced my battery...
Month Five... new battery...
I'm at 192 ideal miles after a full charge on standard. 15,000 miles, 19 months in.
Doesn't 192 ideal miles mean that your battery is still at its original 53kWh capacity? (Mine started at 191 when I picked up the car Feb. 25, and it's crept up to 193 now. I'm at just over 1,000 miles on the odometer)