The SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC is a high-performance electronic speed controller designed for drones. With its compact size and powerful capabilities ,this ESC is perfect for mini and micro quadcopters.
It supports up to 6S LiPo battery voltage input and uses the BLHeli_S firmware for smooth and responsive motor control. The ESC features a durable construction and smart design, allowing for easy installation and reliable performance. With its advanced features and top-notch performance, the SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC is a great choice for your drone builds.
Features:
- Supports up to 6S LiPo battery
- BLHeli_S firmware for smooth motor control
- Durable construction for reliable performance
- Suitable for various drone builds
- Easy installation with a smart design
Specification:
| Item Type: | Electronic Speed Controller |
|---|---|
| Continuous Current (A): | 35 |
| Burst Current (A) | 45A(5S) |
| Input Power (W): | 3-6S LiPo |
| Power Output Ports | VBAT |
| Current Sensor Input | Support (Scale=250 Offset=-500) |
| Mounting Hole Diameter (mm) | 20 x 20mm, 3.6mm hole diameter |
Package Includes:
1 x SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC
1 x Manual & App Download Card
1 x 8 pin JST cable(For FC & ESC Connection)
35V 470uF Capacitor
5 x M2(HoleDiameter)*6.6mm(Height) Anti-vibration Silicone Grommets
5 x M2 Silicone O-Ring
5 x M3(HoleDiameter)*6.6mm(Height) Anti-vibration Silicone Grommets
5 x M3 Silicone O-Ring
Technical Specifications
| Brand | SpeedyBee |
|---|---|
| Current Rating | 35A |
| SKU | AI7444 |
| Weight | 0.09 kg |
| Availability | Out of Stock |
Applications & Use Cases
The SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC is a versatile (esc) drone speed controller used across a wide range of applications including brushless motor speed control, FPV drone builds, multirotor platforms, and RC aircraft.
Common use cases:
- Controlling motor speed in a quadcopter
- Replacing a burnt ESC after a short
- Upgrading to BLHeli_32 for smoother throttle response
This product is ideal for drone builders and RC enthusiasts.
Technical Tip: Choose ESC amperage 20% above your motor's max draw. DShot600 protocol recommended for modern builds.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine SpeedyBee product sourced from authorized channels




Neha Kulkarni (verified owner) –
Perfect for my agriculture drone project. This SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC handles the weight effortlessly.
Zara Yadav (verified owner) –
Been using this SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC for 3 months now, zero issues. Great product.
Prashant Dhillon (verified owner) –
Using this SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC in my hexacopter. Smooth operation and excellent thrust.
Varun Banerjee (verified owner) –
Pretty good SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC. Works as expected for my drone project. Would buy again.
Kartik Negi (verified owner) –
My 5th order from Zbotic. This SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC is excellent as always. Totally reliable store.
Vikram Thakur (verified owner) –
Decent SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC. Took some effort to set up but working now.
Bharat Pillai (verified owner) –
Good SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC. Works well for my drone build. Packaging could be slightly better.
Vishal Gill –
This SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC is exactly what I needed for my drone. Works perfectly, very reliable.
Deepak Batra (verified owner) –
This SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC is value for money. Comparing with other brands, Zbotic offers the best deal.
Sachin Deshpande (verified owner) –
Received the SpeedyBee 35A BLHeli_S Mini 4-in-1 ESC in great condition. Testing done, everything works perfectly.