The Hobbywing EZRUN MAX8 G2S is a high-performance 160A sensored brushless ESC for 1/8 RC cars, combining 3-6S LiPo support, full sensored operation, built-in Bluetooth, onboard data logging, adjustable Turbo Timing and a powerful high-voltage BEC in a compact 60 × 48 × 40.5mm package.
Built for demanding 1/8 applications including on-road cars, short-course trucks and monster trucks, the MAX8 G2S delivers strong acceleration without giving up low-speed throttle control. Its integrated Bluetooth system also removes the need for a separate OTA programming module: connect directly to the HW LINK V2 app to change settings, review operating data or update firmware.
Quick Fit Check
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Recommended scale: 1/8
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Applications: 1/8 on-road cars, short-course trucks and monster trucks
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Motor type: Sensored or sensorless brushless motor
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LiPo input: 3-6S
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Continuous / peak current: 160A / 1050A
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4S motor reference: KV ≤3000
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6S motor reference: KV ≤2400 with 4278-size motor
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BEC: 6V / 7.4V / 8.4V adjustable, 6A continuous
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Input connector: XT90
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Motor output connectors: 6.5mm female gold connectors
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Built-in Bluetooth: Yes
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Built-in data logging: Yes
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Dimensions: 60 × 48 × 40.5mm
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Weight: Approx. 192g including input wires and connector
Before installation, verify ESC mounting space, battery voltage, motor KV and RPM capability, motor size, gearing, drivetrain strength, tire diameter, connector setup and operating temperature. The published KV limits are application references rather than universal maximum motor-speed ratings.
Product Specifications
| Product Name |
Hobbywing EZRUN MAX8 G2S |
| Product Number |
30103205 |
| Scale |
1/8 |
| Recommended Applications |
1/8 On-Road, Short Course Truck, Monster Truck |
| Motor Type |
Sensored / Sensorless Brushless |
| Continuous / Peak Current |
160A / 1050A |
| LiPo Input |
3-6S LiPo |
| Motor Limit – 4S |
KV ≤3000 |
| Motor Limit – 6S |
KV ≤2400, 4278-Size Motor Reference |
| BEC Output |
6V / 7.4V / 8.4V Adjustable, 6A Continuous Switch-Mode BEC |
| Maximum BEC Output |
Up to 15A |
| Input Wires |
Red 10AWG × 150mm / Black 10AWG × 150mm |
| Input Connector |
XT90 |
| Motor Output Wires |
Not Included |
| Motor Output Connectors |
6.5mm Female Gold Connectors |
| Cooling Fan |
30 × 30 × 10mm Frameless Fan |
| Fan Voltage |
6-8.4V, Powered by Built-In BEC |
| Bluetooth |
Built In, Integrated into Electronic Switch |
| Programming |
HW LINK V2 App via Built-In Bluetooth |
| Built-In Data Logging |
Yes |
| Firmware Upgrade |
Supported via HW LINK V2 App |
| Water / Dust Protection |
IP67 |
| Dimensions (L × W × H) |
60 × 48 × 40.5mm |
| Weight |
Approx. 192g Including Input Wires & Connector |
Motor KV recommendations assume a standard application and must be considered together with motor RPM capability, gearing and actual vehicle load.
Waterproof Sensor Harness for Full Sensored Operation
The MAX8 G2S supports both sensored and sensorless brushless motors. When paired with a compatible sensored motor, its waterproof-oriented sensor harness helps retain the controlled low-speed response of a sensored system without giving up the environmental protection expected from a high-performance off-road ESC.
With a sensored motor, connect ESC phases A, B and C to the corresponding A, B and C motor terminals. Running a sensored motor without its sensor connection will cause the system to operate in sensorless mode.
Standard-interface sensored motors may require the appropriate Hobbywing sensor adapter or conversion cable. Confirm the connection required by the specific motor before installation.
6V / 7.4V / 8.4V Adjustable High-Voltage BEC
The MAX8 G2S includes a switch-mode BEC with 6A continuous output and selectable 6V, 7.4V or 8.4V output voltage. This provides flexibility for standard-voltage steering systems as well as compatible high-voltage, high-torque servos.
Official product material also specifies a maximum BEC output of up to 15A, helping the receiver-side power system handle short high-current demands from large steering servos.
Important: set BEC voltage according to the maximum operating voltage of the receiver, steering servo and every other receiver-powered accessory. Do not use 7.4V or 8.4V with equipment that is rated only for 6V.
Do Not Double-Power the Receiver
The ESC throttle lead supplies BEC voltage to the receiver. Do not connect a second receiver power source while the MAX8 G2S BEC remains electrically connected.
If a separate external BEC or receiver battery is required, correctly isolate the ESC's BEC output before connecting the additional power source.
Capacitor Overheat Protection
High-current acceleration, aggressive gearing and heavy vehicles place substantial load on the ESC's capacitor bank. The MAX8 G2S includes dedicated capacitor overheat protection that monitors this part of the power system and can trigger protection when excessive thermal stress is detected.
If capacitor thermal protection is triggered, investigate gearing, vehicle load, cooling and operating temperature rather than repeatedly restarting the ESC without addressing the cause.
Up to 32° Turbo Timing
The MAX8 G2S brings adjustable Turbo Timing to a 1/8 EZRUN power system. Turbo Timing can increase motor RPM once the throttle reaches full throttle, making it particularly useful when more top-end speed is desired from a properly matched sensored motor.
For the MAX8 G2S, Turbo Timing can be adjusted from 0° to 32°.
Turbo Timing should be treated as a tuning tool rather than free power. Increasing timing can raise motor RPM, current draw and operating temperature. Monitor motor and ESC temperatures closely, especially when gearing is already aggressive.
Turbo Delay
Turbo activation can also be delayed after full throttle is reached. Available delay settings allow the driver to decide whether Turbo Timing activates immediately or only after full throttle has been held for a selected period.
IP67 Protection for Demanding RC Conditions
The MAX8 G2S uses a waterproof and dustproof construction intended for the mud, water, snow, sediment and changing weather conditions that high-performance RC trucks can encounter.
IP67 protection does not mean permanent underwater use. After wet, muddy or snowy running, clean the vehicle as appropriate, allow the electronics and connectors to dry thoroughly and inspect the wiring before the next session.
Efficient Cooling System
The MAX8 G2S uses an integrated heat-sink structure together with a high-flow 30 × 30 × 10mm frameless cooling fan to move heat away from the power stage.
Cooling performance still depends on vehicle airflow, gearing, ambient temperature and sustained load. An efficient cooling system cannot compensate indefinitely for excessive gearing or an overloaded motor.
Intelligent Fan Start and Stop
The cooling fan does not need to run continuously. The MAX8 G2S uses an intelligent fan start-stop function that keeps the fan off when ESC temperature is low and automatically starts cooling when the preset temperature threshold is reached.
This reduces unnecessary fan noise and power consumption while still providing active cooling when ESC temperature requires it.
Built-In Data Logging
Unlike an ESC that requires a separate telemetry module, the MAX8 G2S includes onboard data-recording capability. Operating information stored by the ESC can be accessed from the HW LINK V2 app.
The system can store data from the latest run and provides five stored extreme-value records as well as real-time data and historical graphical information through the app.
This makes it easier to review variables such as ESC load and temperature after a run when tuning gearing, Turbo Timing or punch settings.
Built-In Bluetooth – No Separate OTA Module Required
One of the biggest differences between the MAX8 G2S and many earlier Hobbywing ESCs is its built-in Bluetooth module integrated into the electronic switch.
With the ESC powered on, connect directly from the HW LINK V2 app to:
- Adjust ESC parameters
- View real-time operating data
- Review stored and historical data
- Update ESC firmware
No separate OTA Programmer is required for these functions.
Firmware Updates Through HW LINK V2
The built-in Bluetooth connection also supports online ESC firmware updating. Available firmware can be selected in the HW LINK V2 app, allowing the MAX8 G2S software to be updated without adding a separate programming module.
The factory Bluetooth device name uses the HW_BLE**** format and the default password is 888888. The electronic switch can be used to restore the factory Bluetooth name and password if required.
Optimized Hardware and Intelligent Freewheeling
The G2S hardware platform incorporates optimized electronics and intelligent freewheeling technology to improve stability and efficiency under changing throttle conditions.
The goal is not simply stronger output, but more predictable power delivery when a heavy 1/8 vehicle transitions between partial throttle, acceleration and high-load running.
Powerful Output with Linear Throttle Control
A 160A ESC for a 1/8 vehicle needs more than raw current capacity. The MAX8 G2S is tuned to combine strong acceleration with smooth and progressive throttle response, helping the driver control available power rather than simply delivering it abruptly.
Actual launch behavior still depends heavily on Punch setting, motor KV, gearing, tires, surface grip and vehicle weight.
12 Adjustable ESC Parameters
The MAX8 G2S provides twelve main programmable parameters through HW LINK V2:
- Running Mode
- LiPo Cells
- Cutoff Voltage
- Motor Rotation
- BEC Voltage
- Maximum Brake Force
- Maximum Reverse Force
- Punch
- Drag Brake Force
- Initial Throttle Force
- Turbo Timing
- Turbo Delay
Running Modes
- Forward with Brake
- Forward / Reverse with Brake
- Forward / Reverse
Low-Voltage Cut-Off
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Low: 2.8V/cell
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Medium: 3.1V/cell
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High: 3.4V/cell
Punch
Punch adjusts overall acceleration response. Higher values provide a more aggressive response, while lower values can make launches easier to control on low-grip surfaces and may help reduce motor hesitation when throttle is applied abruptly.
Initial Throttle Force
Initial Throttle Force adjusts the minimum initial power applied as the throttle begins to open. Lower settings are useful when available traction is limited, while higher settings can produce a stronger initial response on high-grip surfaces.
Important 5S LiPo Setting
The MAX8 G2S supports 3S, 4S, 5S and 6S LiPo. Automatic cell recognition does not identify 5S, so the correct battery cell count should be manually set to 5S when using that configuration.
Although 2S appears in the shared programming table, the manual specifically states that 2S is not supported by this ESC.
Protection Functions
- LiPo low-voltage protection
- ESC overheat protection
- Motor overheat protection with supported Hobbywing sensored motors
- Throttle-signal loss protection
- Current protection
- Capacitor overheat protection
Motor overheat protection is motor-dependent. For the MAX8 G2S, this function requires a supported Hobbywing motor capable of supplying the required temperature information, such as compatible EZRUN 4268SD / 4278SD G2 or G2R motors.
Motor Selection for 4S and 6S
Hobbywing provides the following conventional motor references:
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4S LiPo: KV ≤3000
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6S LiPo: KV ≤2400 with a 4278-size motor
These values are not a substitute for checking the complete setup. Also consider:
- Motor voltage and maximum RPM rating
- Motor size and thermal capacity
- Pinion and spur gearing
- Final-drive ratio
- Tire diameter
- Vehicle weight
- Driving surface and traction
- Turbo Timing
- Battery discharge capability
- ESC and motor temperature
XT90 Input and 6.5mm Motor Connections
The MAX8 G2S uses a pre-installed XT90 battery connector with 10AWG input wiring. Motor-side output uses 6.5mm female gold connectors.
Before connecting the battery, always verify correct polarity. Reversed battery polarity can immediately damage the ESC.
Throttle Calibration
Calibrate the throttle range when installing the MAX8 G2S for the first time, after replacing the transmitter, or whenever throttle trim, EPA or other relevant transmitter settings are changed.
Because a 1/8 brushless system can produce substantial torque, keep the driven wheels clear of the ground during calibration or remove the motor pinion when practical.
FAQ
What batteries can the EZRUN MAX8 G2S use?
The MAX8 G2S supports 3-6S LiPo. For 5S operation, manually select the correct LiPo cell count rather than relying on automatic detection.
Is the MAX8 G2S a sensored ESC?
Yes. It supports both sensored and sensorless brushless motors. A compatible sensored motor and correct sensor connection are required for full sensored operation.
Does the MAX8 G2S need an OTA Programmer?
No. Bluetooth is built directly into the ESC's electronic switch. Parameter adjustment, data reading and firmware updates can be handled directly through the HW LINK V2 mobile app.
Does it work with LED or LCD program boxes?
The MAX8 G2S is designed around its built-in Bluetooth and HW LINK V2 app. The LED program card, legacy LCD G2 box, LCD Program Box Pro and external OTA Programmer are not the programming method used for this G2S model.
What is the maximum Turbo Timing?
The MAX8 G2S supports up to 32° Turbo Timing. Higher timing can increase motor RPM but also increases current draw and temperature.
What BEC output does the MAX8 G2S have?
The switch-mode BEC provides 6A continuous output with selectable 6V, 7.4V and 8.4V output. Product material also specifies up to 15A maximum output.
Does it store driving data?
Yes. The ESC includes built-in data recording. Stored extreme-value data, real-time data and historical curve information can be viewed in HW LINK V2.
Is motor overheat protection available with every motor?
No. Motor overheat protection requires a supported Hobbywing sensored motor capable of providing temperature data to the ESC.
Is the MAX8 G2S suitable for every 1/8 RC car?
No universal fit should be assumed. Check mounting dimensions, battery voltage, motor KV and size, gearing, drivetrain load, connector configuration and cooling before installation.
Package Includes
- 1 × Hobbywing EZRUN MAX8 G2S ESC with XT90 input connector
- Integrated 30 × 30 × 10mm cooling fan
- Electronic power switch with built-in Bluetooth module
Additional accessories supplied with individual retail packages may vary. Refer to the selected package contents before ordering.
Important Notice
- Read the user manual completely before installation and operation.
- Use only within the specified 3-6S LiPo input range.
- 2S LiPo is not supported even though a 2S option appears in the shared parameter table.
- Manually select 5S when operating with a 5S LiPo battery.
- Do not exceed the operating voltage of the receiver, servo or accessories when selecting BEC voltage.
- Do not power the receiver simultaneously from the MAX8 G2S BEC and another source unless the ESC BEC output has been correctly isolated.
- Use Turbo Timing cautiously and monitor ESC and motor temperature.
- Always confirm battery polarity before connection.
- Disconnect the LiPo battery after every use.
- IP67 protection does not mean permanent underwater operation or maintenance-free use after wet running.
Hobbywing EZRUN MAX8 G2S Manual
For complete wiring instructions, throttle calibration, Bluetooth setup, programmable parameters, LED status codes and troubleshooting, refer to the official
Hobbywing EZRUN MAX8 G2S User Manual
.
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