ESC

Aikon AK32PRO II 50A 4-in-1

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A 20x20 four-in-one rated 50 A per motor.

Specification last checked 2026-07-27

Check this part against a build See all in ESC

Recorded specification

Every value carries the source it was read from. A property with no recorded source is marked as such rather than presented as a fact. If one of them is wrong, tell us: it is the fastest way it gets fixed.

Property	Value	Source
Stack mounting pattern decides fitHole spacing of the mounting pattern.	20 × 20 mm	RaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
Minimum cell count decides fit	2 S	RaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
Maximum cell count decides fit	6 S	RaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
Continuous current decides fitAmps per motor the ESC sustains continuously. Vendors also quote a higher burst figure; this is the continuous one, the number that limits which motors the board can feed.	50 A	RaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
ESC firmwareDecides the configurator and the features, like bidirectional DShot for RPM filtering. Bluejay runs on BLHeli_S hardware but is its own firmware, so both names appear on the same box.	BLHeli_32	RaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table
WeightBuild-critical rather than compat-critical: needed to answer registration and class questions.	13.8 g	RaceDayQuads product specificationschecked 2026-07-27Quote 1, below the table

RaceDayQuads product specificationschecked 2026-07-27Input Voltage: 2-6S MCU: AT32F421 Max Continuous Current: 50A Max Burst Current: 65A Firmware: BLHeli32 Bootloader: Yes Mounting Pattern: 20x20mm Weight: 13.8g

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What this fits

Checked against every other product in the catalog by the same engine the planner runs, rule by rule. Where a specification is missing the answer is unknown, which is a different answer from compatible.

Frame

Does not work with (9)Works with (9)Not enough recorded specification (2)

All frame · All 20 frame checked against this esc

Does not work with (9)
This board mounts 20 × 20 mm and the frame accepts 25.5 × 25.5 mm.
Rule: Stack mounting pattern
Works with (9)
The frame accepts a 20 × 20 mm stack.
Rule: Stack mounting pattern
Not enough recorded specification (2)
The mounting pattern of one of these is not recorded yet.
Rule: Stack mounting pattern
- HappyModel Mobula6 2024 frame
- HappyModel Mobula7 V4 frame

Battery

Does not work with (11)Not enough recorded specification (17)

All battery · All 19 battery checked against this esc

Does not work with (11)
1S is outside the 2–6S range Aikon AK32PRO II 50A 4-in-1 accepts.
Rule: Battery voltage within supported range
Not enough recorded specification (17)
Not enough recorded specification to judge this combination.
Rule: Battery connector match
Show the other 5

The standards this part is judged by

What the properties above actually mean, which differences are absolute, and where the names used in shops mislead.