--- product_id: 171204222 title: "2-4S 30A Brushless ESC" brand: "qwinout" price: "€ 86.37" currency: EUR in_stock: true category: "Q Win Out" url: https://www.desertcart.com.cy/products/171204222-2-4s-30a-brushless-esc store_origin: CY region: Cyprus --- # 30A continuous current 2-4S LiPo compatible 3.5mm female banana connectors 2-4S 30A Brushless ESC **Brand:** qwinout **Price:** € 86.37 **Availability:** βœ… In Stock ## Summary > πŸš€ Elevate your drone game with plug-and-play power and bulletproof reliability! ## Quick Answers - **What is this?** 2-4S 30A Brushless ESC by qwinout - **How much does it cost?** € 86.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/171204222-2-4s-30a-brushless-esc) ## Best For - qwinout enthusiasts ## Why This Product - Trusted qwinout brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Next-Level Reliability:** Military-grade capacitors and low-resistance PCB minimize RF noise and maximize endurance. - β€’ **Plug & Play Powerhouse:** Pre-flashed SimonK firmware means zero setup fussβ€”just install and fly. - β€’ **Smart Safety Protocols:** Built-in low voltage cutoff, overheat, and signal loss protections keep your drone safe in flight. - β€’ **Robust Current Handling:** 30A continuous with 40A burst for aggressive throttle response and peak performance. - β€’ **Universal Compatibility:** Works seamlessly with 2-4S LiPo and NiCd/NiMh batteries, perfect for DIY multicopters and quadcopters. ## Overview The QWinOut 2-4S 30A Brushless ESC is a compact, lightweight speed controller preloaded with SimonK firmware, designed for 2-4S LiPo or 5-12 cell NiCd/NiMh batteries. Featuring 30A continuous current capacity, military-grade capacitors for RF noise reduction, and 3.5mm female banana connectors for hassle-free installation, it offers advanced safety features like low voltage cutoff and overheat protection. Ideal for DIY multicopters, quadcopters, and other RC aircraft, it delivers reliable, high-performance motor control with minimal setup. ## Description NOTE: 1. ESC was soldered with 3.5mm Female banana connectors, effectively avoid welding problems; 2. have set up the Simonk Firmware program.Brand: QWinOut Working current: 30A/40A (Optional on my shop) Output: 30A Version: Continuous 25A, Burst 40A up to 10 Secs 40A Version: Continuous 40A, Burst 55A not down to 10 Secs Input Voltage:2-4 cells lithium battery or 5-12 cells NiCd/NIMh batteryBEC:5V 3AMax Speed:210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM.(BLM: BrushLess Motor)Weight:about 25gCompatible for: DIY FPV KK MK MWC RC Quadcopter Hexacopter Multi-Rotor Aircraft;210 360 450 Helicopter;380 f450 f550 and other four-axis six-axis fixed-wing drone.Features1.Safety Arming Feature: Regardless the throttle stick position, the motor will not spin after battery connected.2.Throttle Calibration: Throttle range can be configured to provide best throttle linearity, fully compatible with all market available transmitters.3.Programmable Items:Brake Setting:brake enabled/brake disabled. Battery Type:Li-xx(Li-ion or LiPo)/Ni-xx(NiMh or NiCd). Low Voltage Protection Mode(Cutoff Mode):Gradually reduce the output power/Cutoff the output power. Low Voltage Cutoff Protection Threshold (Cutoff Threshold):low/medium/high. Start Mode: normal/soft/very soft. Timing:low/medium/high. Reset: reset all the programmable items to their default settings.4.Full Protection Features: Low voltage cutoff protection/Over-heat protection/Throttle signal lost protection. Suggestion:Do a throttle range adjustment before taking off as following steps:1.Connect ESC/motor/receiver2.Push the remote control throttle to maximum3.Connect power 4.Hear the regular sound of D- D- D……, unplug battery5.Reconnect power and hear DD quickly sound 6.Pull the throttle to minimum7.D sound once, calibration successful ## Features - NOTE: 1. Since 2020.07.05, this items was soldered with 3.5mm Female banana connectors, effectively avoid welding problems; 2. We have set up the program, the ESC do not need additional program - Input voltage:2-4 S; BEC: 5V 3A; Working current: 30A / 40A (Optional on my shop) - Universal SimonK Firmware 30A/40A ESC Brushless Speed Controller, super simple. Small size combined with light weight for easy installation. (30A/40A is optional on my shop) - Military standard capacitor of extreme low resistance increases the ability of prevention of unwanted RF noise during flying. Extreme low resistance PCB is helpful for getting a super current endurance capability. - Microprocessor uses separate voltage regulator IC, with good anti-jamming capability. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07SFLJJQ5 | | Age Range Description | Adult | | Best Sellers Rank | #330,267 in Toys & Games ( See Top 100 in Toys & Games ) #468 in Radio Control Vehicle Speed Controls | | Brand Name | QWinOut | | Color | 30a, 4 Pcs | | Customer Reviews | 4.0 4.0 out of 5 stars (194) | | Educational Objective | Game, play | | Indoor Outdoor Usage | Outdoor | | Is Assembly Required | No | | Manufacturer | QWinOut | | Manufacturer Maximum Age (MONTHS) | 18 | | Manufacturer Part Number | M18203-4 | | Material Type | Plastic | | Number of Players | 4 | | Operation Mode | Automatic | | Power Source | Battery Powered | | Set Name | 4 | | Size | Small | | Supported Battery Types | A rechargeable lithium polymer (LiPo) battery with a capacity of at least several hundred milliampere-hours (mAh), and a voltage of 7.4V to 14.8V (2S to 4S). Alternatively, a NiCd or NiMh battery with a voltage of 5-12 cells may also be used. | | Unit Count | 4.0 Count | ## Images ![2-4S 30A Brushless ESC - Image 1](https://m.media-amazon.com/images/I/61w4S4NJEmL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: My esc's only "d" 3 times and i can't get the esc to accept a throttle range adjustment, any help? should i increase the maximum of my pulse width?** A: Brownout. **Q: What is the maximum update rate? 50Hz? 400Hz?** A: I update mine at 250Hz, 4msec. Haven't tried going faster so don't know if 400Hz is possible **Q: Is the BEC linear or switching in these?** A: The BEC is a constant 5 V output You're running extra equipment on your airplane you might want to use an additional capacitor pack on your Receiver **Q: How do I program the brake?** A: You set the break with the transmitter with the throttle stick and the paperwork for the ESC that it comes with will explain how to do so ## Frequently Bought Together - QWinOut 2-4S 30A RC Brushless ESC Simonk Firmware Electric Speed Controller with 5V 3A BEC with 3.5mm Female Banana Bullet for 2 to 4s Lipo Battery, DIY Multicopter Quadcopter (30A, 4 pcs) - QWinOut A2212 1400KV Brushless Outrunner Motor with Mount 10T for RC Aircraft/KKmulticopter 4/6 Axle Quadcopter UFO (4 Pcs) - QwinOut 10x4.5" 1045 1045R CW CCW Propeller Plastic Props Black Compatible for DJI F450 500 F550 FPV Multi-Copter RC QuadCopter Drone (4 Pairs) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.cy/products/171204222-2-4s-30a-brushless-esc](https://www.desertcart.com.cy/products/171204222-2-4s-30a-brushless-esc) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-07-17*