It was about 12oC / 54oF - middle of the day. I generally keep the car in B mode. It had been parked for 4 hours, after which I drove about 6km / 4 miles to the charger, mostly at 60-70kmh / 40-45mph over level ground in light traffic. I'm a pretty conservative driver so tend to go easy on the accelerator and I let regen braking do most of my slowing down.
The air con whirred when I first plugged the connector in but was pretty much silent after that, same as when I plug in at home.
When I started the car up again it had suddenly lost the extra 13-odd km of range - that is, it was showing 80km when I turned it off, then dropped to 67km when I turned it on again about two hours later. This morning it was showing 97km after an overnight charge.
I get that the range estimator uses a wobbly algorithm and what really matters is actual range. I guess I'm just wondering why (a) why that algorithm is suddenly giving very different results when I haven't changed my driving style and (b) why the charge took so long. I should be able to answer the second question this weekend when I drain the car and then try a different CHAdeMO charger closer to home.
At the moment the car has more than enough range to get me to work and home again (about a 35km round trip, though this leaves me with half my bars and a predicted range of another 50km). However, once a week I may need to do a trip closer to 72km - home, first office, second office, first office office, home). That's a little too close to the predicted range for comfort, but there's a CHAdeMO charger close to the second office. If I can hit that for a 15 minute charge in the middle of the day it'll be fine, but if it's going to take half an hour for an extra 35% then that's not really going to work out, and I'll be back to using the ICE car for that day.
EDIT: this probably needs a chronology:
- car gets charged overnight, usually shows low-80km range in the morning, I do a 35km round trip, I have half my bars left and a remaining range of 40-50km
- used CHAdeMO charger for the first time after driving to work; took 25 mins to go from 25% to 57%; shrugged, drove back to the office then home
- started up the next day - 93km range instead of low 80s. Still showing 80km after an 18km trip (had to go by school on the way to work). Made my first post above.
- got back in the car that afternoon expecting it to still show 80km - nope, 67km despite not having gone anywhere. Charged up overnight as usual.
- this morning - estimated range 97km.
2010 Mitsubishi I-MiEV | Canberra, Australia