Shenzhen ZTW Model Science&Technology Co.,ltd
| Continuous Current | 20A |
| BEC Output | 5.0,6.0V adjustable /4A |
| Application | UAV, VTOL, Fixed-Wing & RC Helicopter |
| Size | 60.0*27.0*9mm |
| Burst Current | 30A |
| Weight | 26g |
| Input Voltage | 2-4S LiPo / 5-12 NC |
| Programming | Transmitter/LCD Program Card G2/Android & iOS APP |
| Product Name | Beatles 20A SBEC G2 |
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Product Specification
| Continuous Current | 20A | BEC Output | 5.0,6.0V adjustable /4A |
| Application | UAV, VTOL, Fixed-Wing & RC Helicopter | Size | 60.0*27.0*9mm |
| Burst Current | 30A | Weight | 26g |
| Input Voltage | 2-4S LiPo / 5-12 NC | Programming | Transmitter/LCD Program Card G2/Android & iOS APP |
| Product Name | Beatles 20A SBEC G2 | ||
| High Light | ZTW 20A ESC 2S ，4S SBEC ESC Beatles ，UAV VTOL 20A ESC Beatles | ||
ZTW Beatles G2 20A 2-4S SBEC ESC for UAV, VTOL and Fixed-Wing Aircraft
32-Bit Processor for Precise Small-Scale Control
Built around a 32-bit microprocessor, the Beatles G2 20A processes throttle signals quickly and accurately, giving beginner and intermediate pilots smooth, predictable power delivery on lightweight foam trainers and micro fixed-wing aircraft — ideal for first-time builders learning to fine-tune throttle response.
Compact, Lightweight Footprint
At just 60×25×9.5mm and 25g, this ESC is sized for small airframes where every gram matters. The 18-gauge power leads keep wiring flexible without adding bulk, making it a natural fit for park flyers, gliders with power pods, and lightweight 3D foamies.
Reverse Thrust for Short-Field Landings
Like the rest of the Beatles G2 lineup, the 20A supports the SMR reverse-thrust function, letting pilots flip motor rotation below 50% throttle to shorten rollout on grass strips or tight runways — a feature rarely found on ESCs at this size and price point.
Adjustable SBEC Output
The 5V/6V adjustable SBEC delivers up to 4A, enough to power a couple of standard digital servos on small fixed-wing models without a separate receiver battery, simplifying the build and reducing overall aircraft weight.
Multi-Platform Programming
Parameters can be tuned via transmitter stick programming, the ZTW LCD Program Card G2, or the ZTW Bluetooth Module and mobile app (both sold separately), so pilots can adjust brake force, cutoff voltage, and timing without needing advanced tools.
Comprehensive Protection Circuitry
Built-in low-voltage cutoff, over-temperature protection, start-up protection, motor phase-loss detection, and signal-loss protection guard the ESC and battery pack against common flight-line mistakes — particularly valuable for pilots still building experience with LiPo power systems.
| Specifications | Beatles 20A SBEC G2 | Beatles 30A SBEC G2 | Beatles 40A SBEC G2 | Beatles 50A SBEC G2 | Beatles 60A SBEC G2 | Beatles 80A SBEC G2 | Beatles 100A SBEC G2 | Beatles 120A SBEC G2 |
|---|---|---|---|---|---|---|---|---|
| Continuous Current | 20A | 30A | 40A | 50A | 60A | 80A | 100A | 120A |
| Burst Current | 30A | 40A | 55A | 65A | 80A | 100A | 120A | 140A |
| Input Voltage | 2-4S LiPo / 5-12 NC | 2-4S LiPo / 5-12 NC | 2-4S LiPo / 5-12 NC | 2-4S LiPo / 5-12 NC | 2-6S LiPo / 5-18 NC | 4-6S LiPo / 12-18 NC | 4-6S LiPo / 12-18 NC | 4-6S LiPo / 12-18 NC |
| BEC Output | 5.0/6.0V Adj. / 4A | 5.0/6.0V Adj. / 4A | 5.0/6.0V Adj. / 4A | 5.0/6.0V Adj. / 4A | 5.0/6.0V Adj. / 8A | 5.0/6.0V Adj. / 8A | 5.0/6.0V Adj. / 8A | 5.0/6.0V Adj. / 8A |
| Programming | Tx / LCD Card G2 | Tx / LCD Card G2 | Tx / LCD Card G2 | Tx / LCD Card G2 | Tx / LCD Card G2 | Tx / LCD Card G2 | Tx / LCD Card G2 | Tx / LCD Card G2 |
| Firmware Upgrade | Not Supported | Not Supported | Not Supported | Not Supported | Not Supported | Not Supported | Not Supported | Not Supported |
| Power Wire | 18AWG | 16AWG | 14AWG | 14AWG | 14AWG | 12AWG | 10AWG | 10AWG |
| Motor Wire | 18AWG | 16AWG | 14AWG | 14AWG | 14AWG | 12AWG | 12AWG | 12AWG |
| Battery Plug | XT60 (Amass) | XT60 (Amass) | XT60 (Amass) | XT60 (Amass) | XT60 (Amass) | XT90 (Amass) | XT90 (Amass) | XT90 (Amass) |
| Motor Bullet | 3.5mm | 3.5mm | 3.5mm | 3.5mm | 3.5mm | 4.0mm | 4.0mm | 4.0mm |
| Size (L×W×H) | 60.0×27.0×9.0mm | 60.0×27.0×9.0mm | 68.0×27.0×9.0mm | 68.0×27.0×9.0mm | 70.0×35.0×12.0mm | 90.0×39.0×13.0mm | 90.0×39.0×13.0mm | 90.0×39.0×13.0mm |
| Weight | 26g | 31g | 39g | 39g | 58g | 92g | 98g | 98g |
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
>20 Million
Employee Number:
100~500
Ecer Certification：
Verified Supplier
About ZTW Shenzhen ZTW Model Science & Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and sales of brushless electronic speed controllers (ESCs) and propulsion systems for RC models, UAVs, and industrial applications. Since our founding in 2007, we hav... About ZTW Shenzhen ZTW Model Science & Technology Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacturing, and sales of brushless electronic speed controllers (ESCs) and propulsion systems for RC models, UAVs, and industrial applications. Since our founding in 2007, we hav...
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