Emax’s BLHeli Series 30A ESC with Oneshot is designed specifically for FPV racing. The Emax series is a line of high-performance and low-cost ESCs for drone motors. Emax’s ESC’S are 100% guaranteed original and genuine products for the beginner who wants to learn how to build a drone.
EMAX BLHELI SERIES 30A ESC is a brushless dc motor speed controller. The low output resistance greatly enhances power stability because The ESC is adapting a 2-4S Lipo battery which improves good battery life. The EMAX BLHELI ESC is programmed to start the brushless dc motor. This ESC has a greater current handling capacity which is 30A continuous and the peak current is 40A for the last 10 seconds only.
If you are wandering to build a drone and don’t know what will be the best ESC for you then worry no more, we have got your back. At Zbotic, we have everything for you to get started with your drone project.
Features :
Based on BLHeli firmware, further optimized to the perfect drive performance.
Low-voltage protection, over-heat protection, and throttle signal loss protection.
Separate power supply for MCU and BEC, enhancing the ESC’s ability to eliminate magnetic interference.
Parameters of the ESC can be set via a program card or transmitter.
Throttle range can be set to be compatible with different receivers.
Equipped with built-in linear BEC or switch BEC.
Max speed: 210,000 rpm for 2-pole, 70,000 rpm for 6-pole, 35,000 rpm for 12-pole.
Specification
Item Type:
Brushless ESC
Model
Emax BLHeli Series 30A
Burst Current (A)
40
Constant Current (A)
30
BEC (Y/N):
(5V/2A), Yes
Compatible LiPO Batteries
2 to 4S
Color:
Black
Dimensions (L x W x H) mm
52 x 26 x 7
Package Includes :
1 x Emax BLHeli Series 30A ESC with Oneshot (Original)
Original Emax BLHeli Series 30A ESC with Oneshot Overview
The Original Emax BLHeli Series 30A ESC with Oneshot is a brushless DC motor speed controller designed specifically for FPV racing drones. It delivers up to 30A continuous current and supports Oneshot communication for ultra-fast throttle response.
Key Features of Original Emax BLHeli Series 30A ESC with Oneshot
Continuous current handling of 30A for smooth, reliable motor control
Burst current rating up to 40A for 10 seconds to manage sharp throttle spikes
Supports 2S–4S LiPo batteries (up to 16V input)
Built-in 5V/2A BEC to power your flight controller and receiver
Oneshot protocol support for minimal latency in FPV racing
100% genuine Emax product with fast shipping from Zbotic
Applications and Use Cases
FPV racing quads that demand rapid throttle changes
Lightweight aerial photography rigs on 3S LiPo setups
Prototype multirotors using 4S voltage for extra power
How to Use Original Emax BLHeli Series 30A ESC with Oneshot
Solder the three motor output wires of the ESC to your brushless motor and connect the power leads to a 2–4S LiPo battery (max 16V). Plug the signal and ground wires into the corresponding ESC port on your flight controller. Perform a throttle range calibration by powering on with the throttle stick at maximum until you hear beeps, then at minimum. Finally, open your flight controller’s configuration software and select the Oneshot protocol to complete setup.
Why Buy from Zbotic?
Genuine Products: All items sourced from authorized distributors
Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
Free Shipping: Free delivery on qualifying orders
COD Available: Cash on Delivery, UPI, cards, net banking
Technical Support: Expert help for setup and troubleshooting
Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Which battery configurations work with this ESC?
This ESC supports 2S to 4S LiPo batteries up to 16V input, making it compatible with both 3S and 4S FPV drone builds.
What is the burst current capability of the Emax 30A ESC?
The ESC delivers a peak current of 40A for up to 10 seconds, ideal for sudden throttle surges during aggressive flight maneuvers.
How do I activate Oneshot protocol on the ESC?
The ESC comes with the Oneshot protocol enabled by default in the BLHeli firmware. Simply connect it to your flight controller and choose Oneshot (or Multishot) in your controller’s ESC settings menu.
The Original Emax BLHeli Series 30A ESC with Oneshot (Original) 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 Emax product sourced from authorized channels
Weight
0.05 kg
Country Of Origin: China
16 reviews for Original Emax BLHeli Series 30A ESC with Oneshot (Original)
Rated 5 out of 5
Sahil Modi –
Using this Original Emax BLHeli Series 30A ESC in my hexacopter. Smooth operation and excellent thrust.
Rated 5 out of 5
Sneha Mishra (verified owner)–
Using this Original Emax BLHeli Series 30A ESC in my hexacopter. Smooth operation and excellent thrust.
Rated 5 out of 5
Vipin Chauhan (verified owner)–
Outstanding Original Emax BLHeli Series 30A ESC! Installed it on my racing quad and the performance is amazing.
Rated 4 out of 5
Sameer Pillai (verified owner)–
Decent Original Emax BLHeli Series 30A ESC for the price. Using it in my quadcopter, performs well overall.
Rated 5 out of 5
Karan Rathore –
Outstanding Original Emax BLHeli Series 30A ESC! Installed it on my racing quad and the performance is amazing.
Rated 5 out of 5
Lokesh Grewal (verified owner)–
Excellent product for the price. My drone flies smoothly with this Original Emax BLHeli Series 30A ESC. Highly recommended!
Rated 4 out of 5
Yashwant Krishnan (verified owner)–
Solid Original Emax BLHeli Series 30A ESC. Not the absolute best but excellent value for the price point.
Rated 5 out of 5
Raj Kohli (verified owner)–
Bought this for my college drone project. Works great, professor was impressed!
Rated 3 out of 5
Krishna Hegde (verified owner)–
Okay Original Emax BLHeli Series 30A ESC. Gets the job done for my basic drone project. Nothing exceptional.
Rated 4 out of 5
Jatin Bhatt (verified owner)–
Good quality Original Emax BLHeli Series 30A ESC. Minor scratches on arrival but functionally perfect.
Rated 5 out of 5
Shreyas Hegde (verified owner)–
Bought this for my college drone project. Works great, professor was impressed!
Rated 5 out of 5
Dinesh Rao –
Been using this Original Emax BLHeli Series 30A ESC for 3 months now, zero issues. Great product.
Rated 5 out of 5
Ashish Sethi (verified owner)–
Very impressed with this Original Emax BLHeli Series 30A ESC. My drone’s performance improved noticeably.
Rated 4 out of 5
Ishan Chauhan (verified owner)–
Nice Original Emax BLHeli Series 30A ESC, does the job. Delivery took a couple of extra days but product is solid.
Rated 5 out of 5
Deepak Garg (verified owner)–
Using this Original Emax BLHeli Series 30A ESC in my hexacopter. Smooth operation and excellent thrust.
Rated 5 out of 5
Sneha Pillai (verified owner)–
My 5th order from Zbotic. This Original Emax BLHeli Series 30A ESC is excellent as always. Totally reliable store.
Only logged in customers who have purchased this product may leave a review.
Sahil Modi –
Using this Original Emax BLHeli Series 30A ESC in my hexacopter. Smooth operation and excellent thrust.
Sneha Mishra (verified owner) –
Using this Original Emax BLHeli Series 30A ESC in my hexacopter. Smooth operation and excellent thrust.
Vipin Chauhan (verified owner) –
Outstanding Original Emax BLHeli Series 30A ESC! Installed it on my racing quad and the performance is amazing.
Sameer Pillai (verified owner) –
Decent Original Emax BLHeli Series 30A ESC for the price. Using it in my quadcopter, performs well overall.
Karan Rathore –
Outstanding Original Emax BLHeli Series 30A ESC! Installed it on my racing quad and the performance is amazing.
Lokesh Grewal (verified owner) –
Excellent product for the price. My drone flies smoothly with this Original Emax BLHeli Series 30A ESC. Highly recommended!
Yashwant Krishnan (verified owner) –
Solid Original Emax BLHeli Series 30A ESC. Not the absolute best but excellent value for the price point.
Raj Kohli (verified owner) –
Bought this for my college drone project. Works great, professor was impressed!
Krishna Hegde (verified owner) –
Okay Original Emax BLHeli Series 30A ESC. Gets the job done for my basic drone project. Nothing exceptional.
Jatin Bhatt (verified owner) –
Good quality Original Emax BLHeli Series 30A ESC. Minor scratches on arrival but functionally perfect.
Shreyas Hegde (verified owner) –
Bought this for my college drone project. Works great, professor was impressed!
Dinesh Rao –
Been using this Original Emax BLHeli Series 30A ESC for 3 months now, zero issues. Great product.
Ashish Sethi (verified owner) –
Very impressed with this Original Emax BLHeli Series 30A ESC. My drone’s performance improved noticeably.
Ishan Chauhan (verified owner) –
Nice Original Emax BLHeli Series 30A ESC, does the job. Delivery took a couple of extra days but product is solid.
Deepak Garg (verified owner) –
Using this Original Emax BLHeli Series 30A ESC in my hexacopter. Smooth operation and excellent thrust.
Sneha Pillai (verified owner) –
My 5th order from Zbotic. This Original Emax BLHeli Series 30A ESC is excellent as always. Totally reliable store.