Shenzhen ZTW Model Science&Technology Co.,ltd
| Continuous Current | 50A |
| BEC Output | 5.0,6.0V adjustable /4A |
| Application | UAV, VTOL, Fixed-Wing & RC Helicopter |
| Weight | 39g |
| Burst Current | 65A |
| Size | 68.0*27.0*9.0mm |
| Input Voltage | 2-4S LiPo / 5-12 NC |
| Programming | Transmitter/LCD Program Card G2/Android & iOS APP |
| Product Name | Beatles 50A SBEC G2 |
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Product Specification
| Continuous Current | 50A | BEC Output | 5.0,6.0V adjustable /4A |
| Application | UAV, VTOL, Fixed-Wing & RC Helicopter | Weight | 39g |
| Burst Current | 65A | Size | 68.0*27.0*9.0mm |
| Input Voltage | 2-4S LiPo / 5-12 NC | Programming | Transmitter/LCD Program Card G2/Android & iOS APP |
| Product Name | Beatles 50A SBEC G2 | ||
| High Light | G2 50A ZTW Beatles 2S ，G2 50A ZTW Beatles 4S ，4S SBEC Electronic Speed Controller | ||
ZTW Beatles G2 50A 2-4S SBEC ESC for UAV, VTOL and Fixed-Wing Aircraft
Top of the 2-4S Beatles G2 Line
The 50A model is the highest-current option in the 2-4S Beatles G2 range before stepping up to the 2-6S 60A model — a natural choice for pilots running larger sport-scale or 3D fixed-wing aircraft that need more continuous power without moving to a heavier battery platform.
50A Continuous / 65A Burst Current
With extra current headroom over the 40A, this ESC handles bigger motors and props more comfortably during sustained climbs, giving pilots confidence during extended full-throttle 3D sequences or scale aerobatic routines.
Matched 14-Gauge Wiring in a Compact Frame
Housed in the same 68×25×10mm, 37g footprint as the 40A, the 50A keeps the same compact build while handling more current — a useful upgrade path for pilots who want more power without redesigning their airframe's ESC bay.
SMR Reverse Thrust for Controlled Landings
Supports the same dynamic motor-direction switching as the rest of the G2 lineup, allowing reverse-thrust braking on landing to shorten rollout — especially useful on larger, faster sport-scale models that need more runway.
Adjustable SBEC for Larger Servo Loads
The 5V/6V adjustable SBEC supplies up to 4A, enough to power several standard-size digital servos on bigger fixed-wing airframes without needing a separate UBEC.
Multiple Programming Options
Configure throttle curve, brake force, cutoff voltage, and SMR behavior via transmitter stick, ZTW LCD Program Card G2, or the Bluetooth Module app — the same flexible programming shared across the entire Beatles G2 series.
Built-In Protection for Higher-Power Flying
Low-voltage cutoff, over-temperature protection, start-up protection, phase-loss detection, and signal-loss protection all come standard, giving pilots confidence when pushing larger motors closer to their rated limits.
| 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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