LiFePO4 can tolerate 3.8 V but it's not a recommended charge voltage - they are fully charged at 3.65 V. I charge my home LiFePO4 to an average of ~3.53 V.
No. NMC is up to 4.3 V typically.
My 64 pack voltage at 100% SOC is 440 V, which for 104 cells is an average of 4.23 V.
Pack voltage last time I charged to 100% SOC:
The point of DC charging is speed. Cost and efficiency are subsidiary. If time was not the primary concern then you would AC charge every time, in which case cost trumps efficiency.
Since DC charging is fast, then any sub-system will only be operating for a short time.
But we have to also ask...
From the supply - the energy has to come from somewhere (first law of thermodynamics) and there is only one supply source - the charge port. If balancing was using a lot of energy it would show up in the charging energy consumption.
The car tells you when it is balancing - it shows it on screen...
If it's a bog standard 16S LFP battery, then it's not difficult - just need to connect the battery's terminals to a compatible battery charger designed for use with regular AC power input. Ensure the connection has a suitably rated fuse/DC breaker to protect the circuit components/wiring.
I've...
Collecting the data is not hard and compiling it isn't either. It helps to inform others curious to understand the nature of one owner's experience of charging an EV as well as dispel the usual 🐂:poop: bingo which inevitably populates social media.
V2G won't be using the car's inverter.
It will need to be an approved inverter designed and approved for grid connection. Early models will be expensive but frankly it shouldn't cost a lot more than a regular hybrid grid-tied inverter which uses 400 V battery architecture and can talk with the...
We are, plus in the middle of the day our power is free so if you have the car at home you can charge for all but no cost. Today I have added 14 17 kWh of solar and 8 kWh of free grid energy to the car.
+1
One big difference is the attitude towards cycling. Australia prioritises the convenience of drivers well above the safety of cyclists and pedestrians.
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