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EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original)
The EMAX 4x30A 2-4S 4in1 ESC is an integrated electronic speed controller designed for quadcopters and multirotors, combining four 30-ampere motor controllers into a single compact board. Professional drone pilots, FPV racing enthusiasts, and commercial UAV operators rely on this controller to manage motor speeds with precision and stability across 2-4S LiPo battery configurations. This product solves the challenge of weight distribution and wiring complexity in multirotor frames by eliminating four separate ESCs and their associated connectors, reducing total system weight and improving power delivery efficiency to each motor.
Product Overview
The EMAX 4x30A 2-4S 4in1 ESC operates on the principle of pulse-width modulation (PWM) to regulate motor speed by controlling the average voltage delivered to each brushless motor independently. The integrated design houses four separate motor driver circuits on a single PCB, each capable of handling continuous 30-ampere loads with burst capacity up to 40 amperes. This architecture eliminates individual ESC interconnections, reducing electromagnetic interference and voltage drop across multiple connectors, resulting in more responsive throttle control and better voltage regulation under dynamic load conditions.
The 4in1 configuration features integrated power distribution with direct solder pads for battery input and motor output connections, eliminating the need for external power distribution boards on smaller to mid-sized multirotor platforms. Advanced firmware implementations provide programmable features including throttle curves, braking modes, and active freewheeling, enabling pilots to customize motor response characteristics for specific flight profiles. The controller supports both standard PWM and digital signal protocols, making it compatible with most flight controllers available in the market today.
Key Specifications
| Specification | Details |
| Product Type | 4-in-1 Integrated Electronic Speed Controller |
| Brand | EMAX |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Continuous Current Rating | 30A per motor (120A total) |
| Burst Current Rating | 40A per motor (160A total) |
| Battery Configuration | 2S to 4S LiPo |
| Input Voltage Range | 6.6V to 16.8V DC |
| Motor Connector Type | Solder pads with optional XT60 battery connector |
| Signal Protocol | PWM and digital compatible |
Key Features
- Integrated 4-in-1 design reduces total component count and system weight by 40-50 percent compared to four individual ESCs with separate wiring harnesses
- 30-ampere continuous current per motor channel with 40-ampere burst capacity enables operation of high-performance brushless motors in racing and acrobatic flight modes
- Direct solder pad connections for battery and motor terminals eliminate connector losses and reduce voltage drop across the power distribution chain
- 2-4S LiPo battery compatibility provides flexibility for platform scaling from 250mm racing drones to 450mm camera platforms
- Programmable firmware with customizable throttle curves, active freewheeling, and dynamic braking modes optimizes motor response for specific flight characteristics
- Compact PCB footprint designed to fit standard mounting patterns on popular multirotor frames including DJI Phantom and custom builds
Applications and Use Cases
- FPV racing drones operating in competitive environments where weight reduction and response time directly impact lap times and maneuverability through high-speed turns
- Commercial aerial photography platforms requiring stable motor control and reliable power distribution for extended flight missions with heavy camera payloads
- DIY multirotor projects and custom drone builds where integrated ESCs simplify wiring complexity and reduce overall assembly time
- Autonomous surveillance and mapping UAVs demanding consistent motor performance across varying atmospheric conditions and battery discharge cycles
How to Use
Begin by identifying the battery input pads and motor output pads on the ESC board. Solder the positive and negative battery leads directly to the marked battery input pads, ensuring proper polarity to prevent controller damage. Connect each motor phase wire to the corresponding motor output pads on the ESC, maintaining consistent wire gauge (typically 12-14 AWG for 30-ampere applications) to handle continuous current without voltage loss. Mount the ESC on your multirotor frame using vibration-dampening material or rubber grommets to minimize electrical noise from motor vibration that could interfere with flight controller communication.
Configure your flight controller to recognize the ESC by calibrating the throttle range during initial setup. Most flight controllers require a throttle calibration sequence where you set minimum and maximum PWM values while the ESC is powered. Once calibration is complete, verify motor rotation direction and adjust firmware settings through your flight controller's configuration interface. Test all four motors individually at low throttle levels before conducting maiden flights to confirm proper signal reception and motor response across the entire throttle range.
Frequently Asked Questions
What is the difference between this 4in1 ESC and four individual ESCs?
The 4in1 design integrates four motor controllers on a single PCB, reducing total weight by 40-50 percent and eliminating four separate connectors that introduce voltage drop and electromagnetic interference. Individual ESCs provide modularity for repairs but add wiring complexity and increase system weight, making them less suitable for weight-critical racing platforms. The 4in1 configuration is ideal for optimized builds where space and weight are primary concerns.
Can I use this ESC with 6S LiPo batteries?
No, this controller is specifically rated for 2-4S LiPo configurations with a maximum input voltage of 16.8V. Using 6S batteries (22.2V nominal) will immediately damage the controller due to overvoltage conditions exceeding the input protection threshold. Always verify battery configuration compatibility before power connection to prevent irreversible component failure.
How do I program custom firmware settings on this ESC?
The EMAX 4x30A ESC accepts programming through your flight controller's configuration software, which sends PWM or digital commands to adjust parameters like throttle curves, braking modes, and motor direction. Most modern flight controllers like Betaflight and ArduPilot provide graphical interfaces for ESC tuning without requiring dedicated programming hardware. Consult your flight controller's documentation for specific ESC configuration steps.
What is the maximum payload weight this ESC can support?
The ESC itself does not determine payload capacity; rather, your motor selection and battery configuration determine maximum thrust. With four 30-ampere channels, you can operate motors drawing up to 120 amperes continuously. Payload capacity depends on motor KV rating, propeller size, and battery voltage. Consult motor specifications and use online thrust calculators to determine safe payload limits for your specific motor and propeller combination.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original) Online in India
Purchase the EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original) online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original) with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original)
The EMAX 4x30A 2-4S 4in1 ESC is an integrated electronic speed controller designed for quadcopters and multirotors, combining four 30-ampere motor controllers into a single compact board. Professional drone pilots, FPV racing enthusiasts, and commercial UAV operators rely on this controller to manage motor speeds with precision and stability across 2-4S LiPo battery configurations. This product solves the challenge of weight distribution and wiring complexity in multirotor frames by eliminating four separate ESCs and their associated connectors, reducing total system weight and improving power delivery efficiency to each motor.
Product Overview
The EMAX 4x30A 2-4S 4in1 ESC operates on the principle of pulse-width modulation (PWM) to regulate motor speed by controlling the average voltage delivered to each brushless motor independently. The integrated design houses four separate motor driver circuits on a single PCB, each capable of handling continuous 30-ampere loads with burst capacity up to 40 amperes. This architecture eliminates individual ESC interconnections, reducing electromagnetic interference and voltage drop across multiple connectors, resulting in more responsive throttle control and better voltage regulation under dynamic load conditions.
The 4in1 configuration features integrated power distribution with direct solder pads for battery input and motor output connections, eliminating the need for external power distribution boards on smaller to mid-sized multirotor platforms. Advanced firmware implementations provide programmable features including throttle curves, braking modes, and active freewheeling, enabling pilots to customize motor response characteristics for specific flight profiles. The controller supports both standard PWM and digital signal protocols, making it compatible with most flight controllers available in the market today.
Key Specifications
| Specification | Details |
| Product Type | 4-in-1 Integrated Electronic Speed Controller |
| Brand | EMAX |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Continuous Current Rating | 30A per motor (120A total) |
| Burst Current Rating | 40A per motor (160A total) |
| Battery Configuration | 2S to 4S LiPo |
| Input Voltage Range | 6.6V to 16.8V DC |
| Motor Connector Type | Solder pads with optional XT60 battery connector |
| Signal Protocol | PWM and digital compatible |
Key Features
- Integrated 4-in-1 design reduces total component count and system weight by 40-50 percent compared to four individual ESCs with separate wiring harnesses
- 30-ampere continuous current per motor channel with 40-ampere burst capacity enables operation of high-performance brushless motors in racing and acrobatic flight modes
- Direct solder pad connections for battery and motor terminals eliminate connector losses and reduce voltage drop across the power distribution chain
- 2-4S LiPo battery compatibility provides flexibility for platform scaling from 250mm racing drones to 450mm camera platforms
- Programmable firmware with customizable throttle curves, active freewheeling, and dynamic braking modes optimizes motor response for specific flight characteristics
- Compact PCB footprint designed to fit standard mounting patterns on popular multirotor frames including DJI Phantom and custom builds
Applications and Use Cases
- FPV racing drones operating in competitive environments where weight reduction and response time directly impact lap times and maneuverability through high-speed turns
- Commercial aerial photography platforms requiring stable motor control and reliable power distribution for extended flight missions with heavy camera payloads
- DIY multirotor projects and custom drone builds where integrated ESCs simplify wiring complexity and reduce overall assembly time
- Autonomous surveillance and mapping UAVs demanding consistent motor performance across varying atmospheric conditions and battery discharge cycles
How to Use
Begin by identifying the battery input pads and motor output pads on the ESC board. Solder the positive and negative battery leads directly to the marked battery input pads, ensuring proper polarity to prevent controller damage. Connect each motor phase wire to the corresponding motor output pads on the ESC, maintaining consistent wire gauge (typically 12-14 AWG for 30-ampere applications) to handle continuous current without voltage loss. Mount the ESC on your multirotor frame using vibration-dampening material or rubber grommets to minimize electrical noise from motor vibration that could interfere with flight controller communication.
Configure your flight controller to recognize the ESC by calibrating the throttle range during initial setup. Most flight controllers require a throttle calibration sequence where you set minimum and maximum PWM values while the ESC is powered. Once calibration is complete, verify motor rotation direction and adjust firmware settings through your flight controller's configuration interface. Test all four motors individually at low throttle levels before conducting maiden flights to confirm proper signal reception and motor response across the entire throttle range.
Frequently Asked Questions
What is the difference between this 4in1 ESC and four individual ESCs?
The 4in1 design integrates four motor controllers on a single PCB, reducing total weight by 40-50 percent and eliminating four separate connectors that introduce voltage drop and electromagnetic interference. Individual ESCs provide modularity for repairs but add wiring complexity and increase system weight, making them less suitable for weight-critical racing platforms. The 4in1 configuration is ideal for optimized builds where space and weight are primary concerns.
Can I use this ESC with 6S LiPo batteries?
No, this controller is specifically rated for 2-4S LiPo configurations with a maximum input voltage of 16.8V. Using 6S batteries (22.2V nominal) will immediately damage the controller due to overvoltage conditions exceeding the input protection threshold. Always verify battery configuration compatibility before power connection to prevent irreversible component failure.
How do I program custom firmware settings on this ESC?
The EMAX 4x30A ESC accepts programming through your flight controller's configuration software, which sends PWM or digital commands to adjust parameters like throttle curves, braking modes, and motor direction. Most modern flight controllers like Betaflight and ArduPilot provide graphical interfaces for ESC tuning without requiring dedicated programming hardware. Consult your flight controller's documentation for specific ESC configuration steps.
What is the maximum payload weight this ESC can support?
The ESC itself does not determine payload capacity; rather, your motor selection and battery configuration determine maximum thrust. With four 30-ampere channels, you can operate motors drawing up to 120 amperes continuously. Payload capacity depends on motor KV rating, propeller size, and battery voltage. Consult motor specifications and use online thrust calculators to determine safe payload limits for your specific motor and propeller combination.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original) Online in India
Purchase the EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original) online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on EMAX 4x30A 2-4S 4in1 ESC for Multirotor (Original) with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.