Re: Citroen C1 VTR EV'ie
Posted: Thu Sep 29, 2011 1:42 pm
Been having a look at the car again today. I took the battery box cover off the box under the bonnet. The Cells are all fairly closely matched. I happened to do this towards the end of a charge and watched as the battery pack voltage started to climb from 88 volts up to 101.7 when the charger turned off.
The car has got 25 cells. They are the Thundersky 160ah ones. Lots of small wires come from each connector and go of to the what I think is the BMS.
This has got me wondering how easy would it be to add more cells in to the series to make a larger battery pack. I am wondering if the meter in the car works along the lines of counting the current to work out SOC - so if I just added in more cells the car would draw less current and the SOC meter should still work okay.
Only thing to take in to consideration is the charger. I would have to get that set up to account for the extra voltage in the pack. Unless I bought a small pack with it's own charger and BMS and lust bolted it on the end of the existing pack. Does anyone think that this is feasable? or am I just over simplifying things.
The car has got 25 cells. They are the Thundersky 160ah ones. Lots of small wires come from each connector and go of to the what I think is the BMS.
This has got me wondering how easy would it be to add more cells in to the series to make a larger battery pack. I am wondering if the meter in the car works along the lines of counting the current to work out SOC - so if I just added in more cells the car would draw less current and the SOC meter should still work okay.
Only thing to take in to consideration is the charger. I would have to get that set up to account for the extra voltage in the pack. Unless I bought a small pack with it's own charger and BMS and lust bolted it on the end of the existing pack. Does anyone think that this is feasable? or am I just over simplifying things.