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ESC

Hobbywing XRotor FPV G2 4-in-1 45A

The 20x20 version of the same ESC, rated 45 A per motor.

Specification last checked 2026-07-27

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.

PropertyValueSource
Stack mounting pattern decides fitHole spacing of the mounting pattern.20 × 20 mmHobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Quote 1, below the table
Minimum cell count decides fit3 SHobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Quote 1, below the table
Maximum cell count decides fit6 SHobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 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.45 AHobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Quote 1, below the table
WeightBuild-critical rather than compat-critical: needed to answer registration and class questions.12 gHobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Quote 1, below the table
  1. Hobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Model XRotor FPV G2 ESC (4in1) - 65A | XRotor FPV G2 ESC (4in1) - 45A. Cont. Current 65A | 45A. Peak Current 80A | 60A. BEC 5V@0.6A | No. LiPo Cells 3-6S | 3-6S. Weight 15g | 12g. Size 52x42x6.6mm | 40x33x5mm. Mounting Hole 30.5x30.5mm | 20x20mm M3.

Where to buy

This listing does not say which warehouse ships it. Most orders leave China, so expect import VAT and a carrier handling fee unless an EU warehouse is chosen at checkout.

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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)

Battery

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

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.