My Lipo cut-off is 3v - that's the only option for my ESC I believe. I don't have any reason to think there is anything wrong with the batteries but like all batteries the voltage drops as they become depleted - that's normal.
Even if the cut-off was 3.4v that would be 6.8v for 2s - compared to 8.4v newly charged that's still a 20% drop in power.
Do you not notice the car going faster with freshly charged lipo's?
Doesn't sound like any ESC has this feature anyway...
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Ansmann X2C
Reedy 450 ESC
Turnigy saddle lipo's 7.4v
EasyRun 4000kv 8.5T Victory Motor
Futaba 2.4ghz 3gr Stick
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