The Spektrum Firma 120A Smart ESC for surface vehicles is waterproof and delivers power and intelligence all-in-one. Without additional sensors or modules, they feed battery and ESC telemetry data straight to your radio in real time, all over one connection.

Product Specs

Connector Type: IC5, 4mm Bullet

ESC Type: Brushless

Product Length: 1.7" (43 mm)

Product Weight: 5.4 oz (153g)

Water-Resistant: Yes

Reverse: Yes

Battery Input Lead: IC5

Product Width: 1.53" (39 mm)

Technology: Smart

BEC: Yes

BEC Voltage: 6 and 7V selectable

Drive Type: Forward/Brake/Reverse

Input Voltage: 11.1V to 14.8V (3S – 4S LiPo, 8-12 cell NiMH)

Motor Output Lead: 4mm

Product Application: Surface

Product Height: 1.33" (34 mm)

Time Delay Brake: Yes

Maximum Burst Current: 830A

Maximum Continuous Current: 120A

Brakes: Yes

Programmable: Yes

Programming Options: Button, Programming Box, Smartlink App, On Screen Text Gen

Amperage: 120A or larger

Max Input Voltage: 14.8V

Application: Surface

Auto Cutoff: Yes

BEC Continous Current: 4

Low-Voltage Cutoff Programmable: Yes

Output Connector: 4mm Bullet

Overload Protection: Yes

$100 to $250

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SPMXSE2120 Firma 120 Black Edition Brushless Smart ESC 3S-4S