Why no auto LVC???

[TekinTeamMgr]

I answered this on anothe fourm but I'll follow up it here as well.

We don't do auto cut off due to the possability that you can have packs overlap voltages. So we chose not do this for this very reason.

Chaging VC settins is a few button presses on the RX8 itself, no hotwire needed.

[ta_man]

Originally Posted by TekinTeamMgr

I answered this on anothe fourm but I'll follow up it here as well.

We don't do auto cut off due to the possability that you can have packs overlap voltages. So we chose not do this for this very reason.

Chaging VC settins is a few button presses on the RX8 itself, no hotwire needed.

Unfortunately, the cutoffs you can set with the buttons are not really safe for the batteries long term life. It is generally understood that for best life of a LiPo pack you should not draw it down below 20% remaining capacity. Voltage cutoffs in increments of 3V mean you end up drawing down to almost completely empty if you run to the cutoff.

How about this: A per cell cutoff voltage that could be set once with the hotwire (such as 3.5V/cell) and that is honored when you change the cell count with the buttons? That way, people who don't want to draw down their batteries all the way don't need the Hotwire every time they change cell count.

It seems that should satisfy your concern about overlapping voltages and still achieve the result requested for by the O.P. (and me too - I run 3.5V/cell)

[ticklechicken]

Originally Posted by TekinTeamMgr

I answered this on anothe fourm but I'll follow up it here as well.

We don't do auto cut off due to the possability that you can have packs overlap voltages. So we chose not do this for this very reason.

Chaging VC settins is a few button presses on the RX8 itself, no hotwire needed.

I had my MMM set to Auto-Lipo and I run 4s. I shut off my car to fix something and I must have been near 3.1 volts per cell (old firmware when only seeting was 3.0 v/cell). When I started the car, I only heard three chimes indicating the Auto-Lipo was set for 3s. With the new firmware, you can increase your v/cell, but there is still a risk in using Auto-Lipo. Those without the Castle Link cable are stuck with 3.0 v/cell. It's not likely to screw up when running 4s, but it did happen to me once. If I wasn't so OCD about counting the beeps, I would have had a problem. On 6s, you would only have to be at 3.5 v/cell to confuse the Auto-Lipo.

Personally, I think Auto-Lipo is not a good feature. Maybe it's okay for the Tekin, but it's not a good idea for the RTR's that come with the MMM. False sense of security for a likely unaware buyer.