Overview
The EMAX BLHeli Series 80A UBEC ESC is a programmable brushless electronic speed controller (ESC) based on BLHeli firmware, designed for multirotors and compatible with fixed-wing aircraft and helicopters. It uses authentic electronic components to help ensure quality and improved current endurance, with optimized throttle linearity and quicker throttle response.
Key Features
- BLHeli firmware-based ESC, optimized for high performance, great linearity, and quicker throttle response
- Programmable motor rotation direction: normal, reverse, or bidirectional
- Programmable parameters via program card or transmitter (including default settings)
- Protection functions: low-voltage cut-off, over-heat protection, throttle signal loss protection
- Beep alarm to help locate the device (keep throttle at FULL OFF for a while)
- Configurable throttle range; compatible with all receivers for smooth, linear, precise throttle response
For setup and compatibility questions (including programming options and wiring), contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
BLHeli Series ESC Specification Table
| Item | Continuous Current | Burst Current (10S) | Li-xx Battery (cell) | Dimensions L x W x H (mm) | Weight (g) (wires included) | BEC Output | Programmable |
|---|---|---|---|---|---|---|---|
| BLHeli-6A | 6A | 8A | 1-2 | 22 x 13 x 5.5 | 6 | 0.8A/5V | YES |
| BLHeli-12A | 12A | 15A | 2-4 | 42 x 20 x 8 | 11 | 1A/5V | YES |
| BLHeli-20A | 20A | 25A | 2-4 | 52 x 26 x 7 | 28 | 2A/5V | YES |
| BLHeli-25A | 25A | 30A | 2-4 | 52 x 26 x 7 | 28 | 2A/5V | YES |
| BLHeli-30A | 30A | 40A | 2-4 | 52 x 26 x 7 | 28 | 2A/5V | YES |
| BLHeli-30A-OPTO | 30A | 40A | 2-6 | 67 x 26 x 10 | 25 | -- | YES |
| BLHeli-40A-UBEC | 40A | 50A | 2-6 | 73 x 28 x 12 | 41 | 3A/5V | YES |
| BLHeli-50A-UBEC | 50A | 60A | 2-6 | 73 x 28 x 12 | 41 | 3A/5V | YES |
| BLHeli-60A-UBEC | 60A | 80A | 2-6 | 73 x 36 x 12 | 63 | 5A/5V | YES |
| BLHeli-80A-UBEC | 80A | 100A | 2-6 | 86 x 38 x 12 | 81 | 5A/5V | YES |
Applications
- Multirotors
- Fixed-wing aircraft
- Helicopters
Details

Programmable BLHeli-based 80A UBEC ESC with key features and a full spec table for the BLHeli Series range.
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