Hobbywing XRotor FPV G2 4-in-1 45A
The 20x20 version of the same ESC, rated 45 A per motor.
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 | Hobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Quote 1, below the table |
| Minimum cell count decides fit | 3 S | Hobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Quote 1, below the table |
| Maximum cell count decides fit | 6 S | Hobbywing: 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 A | Hobbywing: 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 g | Hobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27Quote 1, below the table |
- Hobbywing: XRotor FPV G2 ESC (4in1) 45A & 65A user manualchecked 2026-07-27
Model 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.
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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
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- ✓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
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 3–6S range Hobbywing XRotor FPV G2 4-in-1 45A accepts.
- ?Not enough recorded specification (17)
Not enough recorded specification to judge this combination.
Rule: Battery connector match
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.