Product overview
The BrotherHobby Returner 4-8S 32bit am32 70A 4in1 ESC V1 PRO is a motor-control component with four ESC channels and a 32-bit AM32 architecture. The controller measures 53mmx43.5mmx6mm, weighs 15g and uses a 30.5x30.5mm mounting pattern. These dimensions and mounting spacing define its mechanical integration interface. Its electrical configuration specifies two TVS devices and an external 1500uF/50V high-frequency, low-resistance capacitor. The product is an electronic speed controller, rather than a complete flight platform or airframe kit.
The ESC accepts 4-8S input power and specifies VBAT output voltage. Continuous current is rated at 70A*4 under the stated 6S condition, while the separate maximum-current rating is 80A (10S). The continuous rating therefore retains its specific 6S qualification. Supported control protocols are PWM and DSHOT 300/600/1200, with a current meter and telemetry feedback also provided. For configuration, the target firmware is AM32_AT32PB4_540_F421_2.16.hex, and the parameter tuning software is Esc_Config_Tool_1_82.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | BrotherHobby |
| Model and architecture | Returner 4-8S 32bit am32 70A 4in1 ESC V1 PRO; 32-bit, four-in-one electronic speed controller |
| Target firmware | AM32_AT32PB4_540_F421_2.16.hex |
| Parameter tuning software | Esc_Config_Tool_1_82 |
| Continuous current | 70A*46S |
| Maximum current | 80A10S |
| TVS configuration | TVS*2 |
| External capacitor | 1500uF/50V high-frequency, low-resistance capacitor |
| ESC control protocols | PWM/DSHOT 300/600/1200 |
| Input power | 4-8S |
| Output voltage | VBAT |
| Current meter | Yes |
| Telemetry feedback | Yes |
| Mounting pattern | 30.5x30.5mm |
| Dimensions | 53mmx43.5mmx6mm |
| Weight | 15g |
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