Firma 85 Amp Brushless Smart ESC 2S - 3S
$87.99
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Firma 85 Amp Brushless Smart ESC 2S - 3S
$87.99
Continuous Power
85 Amp Output Capacity
Smart Telemetry
Real Time Single Wire Data
Brushless Control
Sensorless Brushless Motor Support
LiPo Compatibility
Supports 2S To 3S
Waterproof Design
All Weather RC Driving
High-Power BEC
Adjustable 6V Or 7.4V Output
Next-Gen Smart PowerAdvanced Intelligence For Your RC Car
The Spektrum Firma 85A Brushless Smart ESC delivers unmatched power and telemetry data directly to your surface RC vehicle without requiring extra sensors or complicated wiring. Designed for 2WD and 4WD 1/10 scale RC cars, this waterproof speed controller provides real-time RPM, voltage, and temperature data straight to your telemetry-capable Spektrum transmitter. Upgrade your brushless motor setup with seamless plug-and-play simplicity and ultimate drive performance.
Intelligent Surface ElectronicsPeak Performance Meets Telemetry Innovation
Functioning like a virtual engineer inside your model, the Spektrum Firma 85A Brushless Smart ESC combines high-efficiency power delivery with Spektrum Smart technology. Equipped with a fast 32-bit ARM M4 processor and a heavy-duty aluminum heat sink with a cooling fan, this electronic speed control effortlessly handles the demands of intense 2S and 3S LiPo bashing and racing. Its multi-point protection system features automatic low-voltage cutoff, thermal safety protection, failsafe features, and over-current prevention to keep your 1/10 scale RC car running safely. With programmable BEC voltage (6V or 7.4V at 4A continuous), pre-soldered IC3 battery connectors, and 4mm bullet output leads, installing smart brushless performance into your favorite surface model has never been easier.
Technical SpecificationsDetailed Electronic Performance Data
Input Voltage
7.4 - 9.6V / 2S-3S LiPo
Continuous Current
85A
Maximum Burst Current
550A
Motor Type
Brushless - Sensorless
Motor Limit
2S ≤ 5000KV, 3S ≤ 3000KV
BEC Output
6V/7.4V Switch-Mode @ 4A Continuous
Battery Connector Type
IC3
Output Connector
4mm Bullet
Wire Gauge
12 AWG
Water Resistance
Waterproof
Product Length
1.7" (43 mm) (ruler)
Product Width
2.1" (53 mm) (ruler)
Product Height
1.3" (33 mm) (ruler)
Product Weight
0.255 lbs (116g) (weight)
Key System FeaturesBuilt For Power And Protection
TelemetryIntegrated Single-Wire Smart Telemetry System
ProcessorFast 32-Bit ARM M4 Processing Unit
CoolingAluminum Heat Sink with Integrated Cooling Fan
ProtectionOver-Current, Thermal, Cutoff, and Failsafe
ProgrammingMulti-Option Support via Button, Box, or PC App
CompatibilityIdeal for 1/10 Scale 2WD and 4WD RC Vehicles
InstallationPre-Soldered Plug-and-Play IC3 Connectors
Frequently Asked QuestionsEverything you need to know
What batteries are recommended for the Spektrum Firma 85A Brushless Smart ESC?
The Spektrum Firma 85A Brushless Smart ESC is optimized for 2S to 3S LiPo batteries (7.4V - 11.1V) equipped with IC3 or EC3 connectors.
Is the Spektrum Firma 85A Brushless Smart ESC waterproof?
Yes, the Spektrum Firma 85A Brushless Smart ESC features a waterproof housing, making it ideal for running your RC car through wet grass, mud, and puddles.
What scale vehicles work best with the Spektrum Firma 85A Brushless Smart ESC?
The Spektrum Firma 85A Brushless Smart ESC is designed primarily for 1/10 scale 2WD and 4WD RC surface vehicles running sensorless brushless motors.
How do I receive real-time telemetry from the Spektrum Firma 85A Brushless Smart ESC?
Telemetry data is automatically sent through the single receiver wire to a compatible Spektrum Smart receiver and displayed directly on your telemetry-capable Spektrum Smart transmitter.