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Description
Hobbywing EzRun MAX4 HV ESC 70125SD 560kV Sensored Motor Combo 30104002High performance brushless power system designed for large scale 1 5 vehicles. The Hobbywing EzRun MAX4 HV ESC and 70125SD 560kV sensored motor combo delivers extreme power, smooth low speed control, and exceptional durability for demanding off road trucks and large scale RC builds. With 612S LiPo capability, advanced protection systems, and IP67 waterproof construction, this combo is engineered for serious performance in all conditions. Features Full
High-performance brushless power system designed for large-scale 1/5 vehicles. The Hobbywing EzRun MAX4 HV ESC and 70125SD 560kV sensored motor combo delivers extreme power, smooth low-speed control, and exceptional durability for demanding off-road trucks and large-scale RC builds. With 6–12S LiPo capability, advanced protection systems, and IP67 waterproof construction, this combo is engineered for serious performance in all conditions.
Features
- Full sensored mode: Provides precise throttle response and smooth cog-free low-speed control
- Extreme power output: 300A continuous and 2000A peak current for heavy-duty 1/5 scale vehicles
- IP67 waterproof design: Reliable operation in wet, dusty, and harsh environments
- Integrated copper thermal conduction sink: Improves heat dissipation for stable performance
- Wireless programming: Supports OTA module and Hobbywing Link App for programming and updates
- Real-time data logging: Monitor system performance and running status during operation
- Capacitor thermal protection: Prevents ESC damage from excessive load
- Adjustable high-output BEC: Supports up to 25A peak with selectable voltage outputs
- Spark-proof battery connection: Reduces connector wear and improves safety
- Advanced electronic switch: Long lifespan with shock-resistant design
- 70125-size motor: Massive torque and power for large-scale off-road vehicles
- High efficiency design: Up to 90 percent efficiency for cooler operation and longer runtime
- Modular motor construction: Detachable structure for easy maintenance
- Premium motor materials: High-tolerance alloy shaft and reinforced rotor construction
Specifications
- Scale: 1/5
- ESC Continuous Current: 300A
- ESC Peak Current: 2000A
- Input Voltage: 6–12S LiPo
- BEC Output: 6V / 7.4V / 8.4V adjustable
- BEC Continuous Current: 10A switch-mode
- BEC Peak Current: 25A
- Motor KV Rating: 560KV
- Motor Type: Sensored brushless
- Motor Diameter: 70mm
- Motor Length: 125mm
- Motor Shaft Diameter: 8mm
- Motor Shaft Length: 30mm
- Motor Poles: 4
- Motor Resistance: 0.0050Ω
- No-load Current: 3.6A
- ESC Dimensions: 125 × 85 × 61.7mm
- ESC Weight: 775.4g
- Motor Weight: 1995g
- Waterproof Rating: IP67
- Motor Connectors: 8.0mm bullet
- Battery Connector: Bare wires
- Cooling: Fan
- Programmable: Yes
Includes
- Hobbywing EzRun MAX4 HV ESC
- Hobbywing EzRun 70125SD 560kV Sensored Brushless Motor
- Mounting hardware and accessories
- Instruction manual
Important Notes
- Designed primarily for 1/5 scale vehicles using 70125 size motors
- 6–12S LiPo compatible when used according to Hobbywing operating guidelines
- Refer to the official manual for programming and configuration instructions
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Finally a Chair That Fits and Feels Great
Color: Black, Style: With Headrest
I recently purchased the Marsail Ergonomic Office Chair, and overall, I couldn’t be happier with it.
First off, assembly was incredibly simple. It took me about 30 minutes from start to finish, and the instructions were clear and easy to follow. All the parts were well packaged, and I didn’t run into any issues putting it together.
For reference, I’m 6'2" and about 275 pounds, and this chair fits me very well. As a bigger guy, finding a chair that feels supportive and appropriately sized can be a challenge, but this one hits the mark. The seat is roomy without feeling oversized, and the overall build feels sturdy and solid.
Comfort-wise, it’s been excellent. I work from home and spend about 8–9 hours a day in this chair, five days a week. The thick cushion seat really makes a difference, it stays comfortable throughout the day and doesn’t feel like it’s flattening out after hours of use. I also really like the mesh back. It provides good support while allowing airflow, which helps keep me cool during long work sessions.
The only feature I wish it had is a recline lock at multiple angles. Currently, it only locks in the fully upright position. It would be great to be able to lock it slightly reclined for more flexibility during long workdays.
That said, for the price, ease of assembly, and all-day comfort, this chair delivers tremendous value. I’m giving the Marsail Ergonomic Office Chair 5 stars and would definitely recommend it to anyone looking for a comfortable, supportive office chair, especially if you’re on the taller or bigger side like me.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
This is a terrific office chair at a great price!
Color: Dark Blue, Style: pack of 1
Easy to assemble, with comfortable armrests, lumbar support, and all the functions...it can rock, recline, roll and swivel, plus the seat control easily adjusts up & down, and it comes in a variety of colors. This is my best Amazon purchase ever!!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
A Solid, No-Frills Office Chair That Gets the Job Done
Color: Black, Style: pack of 3
I bought the BestOffice Home Office Chair Ergonomic Desk Chair because I needed something affordable and functional for our conference room. I wasn’t looking for anything high-end—just something comfortable enough to get through staff meetings without complaints of sore backs.
Out of the box, assembly was pretty straightforward. It took me about 20–30 minutes, and the instructions were clear enough that I didn’t run into any major issues. Once set up, the chair feels lightweight but stable, and it rolls smoothly across the low pile carpeted office floor.
The mesh back is probably the best feature. It keeps airflow going, which makes a big difference if you sit for long periods or in a warmer environment. I’ve had padded chairs before that trap heat, so this was a noticeable improvement right away.
The lumbar support is decent for the price. It’s not adjustable in a high-end sense, but it does help encourage better posture and reduces that “slouching into the chair” feeling over time. The armrests are basic, but they do the job for light support.
Comfort-wise, it’s good for moderate use. I can sit in it for a few hours at a time without discomfort, but if you’re planning to sit all day every day, you might want something with more padding and customization.
A few drawbacks worth mentioning:
The cushioning is on the firmer side and I worry may wear with extensive use
The chair is more budget-oriented in build quality
Adjustability is somewhat limited compared to higher-end ergonomic chairs
That said, for the price, it delivers exactly what it promises. It’s a simple, functional office chair that covers the basics without overcomplicating things.
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Reviewed in the United States on March 23, 2026
★★★★★ 4
Good chair and great value, comfortable
Color: Dark Black, Style: pack of 1, Color: Dark Black, Style: pack of 1
The chair is as you expect for this price range
The only Issue is the thigh length is shorter then I thought but still works. The air fabric helps
Keeps it cool to sit in for long periods without sweating
It’s a great chair to sit in for 8 hours as I usually do writing and project planning at my desk.
Over all the assembly was simple and all
The instructions were there with the tools as well.
It rolls fine on my vinyl floor. It’s definitely value for your money on this one and the over all design is fine and works to me at this point.
It don’t have squeaky tires so the noise is good rolling around
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Great value
Color: Red, Style: pack of 1, Color: Red, Style: pack of 1
Easy to put together. Only tough part was getting the wheels on, needed someone strong to attach them. Once together it is a great chair. Height adjusts up and down easily and rolls smoothly. Sturdy chair and the red looks great!
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Reviewed in the United States on June 11, 2026