Feature	Robot Power Scorpion XL	Robot Power Scorpion HX	Robot Power Scorpion Mini
Size (in.)	2.7 x 1.6 x 0.5	1.6 x 1.6 x 0.5	1.25 x 0.5 x 0.25
Weight	28g	22g	5.5g
Voltage Range	4.8V-28V	4.8V-18V (24V with mod)	4.8V-18V (24V with mod)
Input Channels	2 drive, Flip	2 drive, Flip, Aux/Weapon	1
Output Channels	2 Fwd/Rev	2 Fwd/Rev, 1 Fwd only	1 Fwd/Rev
Drive Cont. Current	12.5A	2.5A (4.5A+ w/heatsink)	2.5A (4.5A+ w/heatsink)
Drive Surge Current	45A	6A	6A
Aux Current	N/A	12A	N/A
Aux Surge Current	N/A	35A	N/A
Cost	$120 complete as low as $105 in multi-paks	$80 complete as low as $69 in multi-paks	$30 complete
Connections	Screw terminal	Screw terminal	Screw terminal / solder pads
LED indicators	Direction and speed on drive, Status	Direction and speed on drive, Speed on Aux, Status	Direction and speed
Comes fully assembled with R/C leads
Mixing	Default (many options)	Default (can be disabled)	N/A
Drive Mirroring (both motors mirror one RC input)	Jumper option	Automatic detect at startup	N/A
3rd Aux channel control		Fully protected	N/A
Battery Eliminator Circuit (BEC)
BEC Disable			(requires R/C cable modification)
Flipped bot motor reversal	RC or switch	RC or switch	N/A
Current Limiting		Drive and Aux
Temperature Limiting		Drive and Aux
Upgradeable/Customizable Software	Standard adapter	Standard adapter	Custom adapter
Serial Interface	(currently unused)	(currently unused)	(currently unused)
I2C/SPI Interface	(currently unused)		(hardware support)
Encoder Support	Dual Quadrature (not supported by R/C software)
All-in-one Unit

To find out more about the Scorpion speed controllers please check the individual Scorpion product page.