JHEMCU EM40A 4-in-1 40A ESC 2–6S BLHeli_S
SKU JHEMCU-EM40A-40A-2-6S
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Product details
The JHEMCU EM40A is a compact 4-in-1 electronic speed controller designed for 3-inch to 5-inch FPV builds. Supporting a wide 2-6S LiPo input and delivering a continuous 40A per channel, it provides substantial current overhead for demanding freestyle, racing, or cinematic setups. Featuring a standard 20x20mm footprint, this ESC integrates cleanly into modern mid-sized frames without crowding the stack space.
Key features
40A continuous current per channel for robust power delivery
Broad 2-6S LiPo input voltage support
Runs reliable BLHeli_S firmware, ready for DShot protocols
Integrated current sensor for accurate battery monitoring via the flight controller
Compact layout with a 20x20mm mounting pattern
Specifications
Input voltage: 2-6S LiPo
Continuous current: 40A
Firmware: BLHeli_S
Supported protocols: DShot150, DShot300, DShot600, Oneshot125, Multishot, PWM
Mounting pattern: 20x20mm
BEC: None
Board size: 27 x 29 mm
Weight: 5.2 g
In the box: ESC, 8-pin 1.0 mm signal lead, red/black silicone power leads, electrolytic capacitor
Pair this ESC with any modern flight controller using a 20x20mm mounting pattern. Its versatile voltage range allows you to migrate the same stack from a lightweight 4S park flyer to an aggressive 6S freestyle quad.
| Mounting Size | 20x20 |
|---|---|
| ESC Current | 40 A |
| Input Voltage | 2–6S |
| ESC Firmware | BLHeli_S |
| Made in India | No |
| Brand | JHEMCU |
| Weight | 5.2 g |
| BEC | No |
| Current Sensor | Yes |
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