...
XT90i - Only vbatt and 2 pins, needs one more
AS150U - good but kinda large
Xt60i - exists for size but only has one extra pin
XT60(2+4) - might be motive?
Considerations
Look fore more unknown Amass connectors
Look into round connectors with power on outside and pins on inside?
Consider putting power across multiple pins to get to the right current