Next-Gen BLHeli-S Performance
The LittleBee BLHeli-S 30A utilizes the SILABS EFM8BB21F16 MCU running at 48MHz, providing a significant performance boost over standard BLHeli ESCs. This hardware, combined with specialized driver chips, allows for extremely fast switching speeds and quieter motor operation. It supports Damped Light (Active Braking), which acts like an electronic brake to instantly reduce motor speed when you drop the throttle, giving you a much more “locked-in” flight feel.
Ultra-Compact & 6S Ready
Despite its massive 30A continuous current rating, the LittleBee remains one of the smallest and lightest ESCs on the market, weighing only 9g with wires. This makes it ideal for tight builds where space on the drone arms is limited. Its high-voltage support (up to 6S) ensures that it can power even the most aggressive 5-inch racing setups without breaking a sweat, provided adequate airflow is maintained.
Key Features
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BLHeli-S Firmware: Pre-flashed for smoother, quieter, and more responsive motor control.
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Full Protocol Support: Native support for DShot (150/300/600), Multishot, Oneshot42, and Oneshot125.
Silabs 48MHz MCU: High-speed processor for precise high-eRPM motor synchronization.
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OPTO Design: No built-in BEC, ensuring zero electronic noise is passed to your flight controller.
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Active Braking: Features Damped Light for regenerative braking and immediate deceleration.
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Durable PCB: High-quality 4-layer copper board for better heat dissipation and current handling.
Technical Specifications
| Specification | Details |
| Model | FVT LittleBee 30A-S (Original) |
| Continuous Current | 30A |
| Burst Current (10s) | 35A |
| Input Voltage | 2S – 6S LiPo (7.4V – 22.2V) |
| Firmware | BLHeli-S (Supports DShot600) |
| Processor | SILABS EFM8BB21F16 @ 48MHz |
| BEC Output | None (OPTO) |
| Dimensions | 35mm x 17mm x 3mm |
| Weight | 9g (Including wires) |






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