1. Introduction
This manual provides essential information for the safe and effective use of your Flipsky FT85CS IP68 Waterproof NON-VESC Speed Controller. This high-performance Electronic Speed Controller (ESC) is designed for demanding applications such as electric scooters, ebikes, and robotics, offering robust power management and advanced control features. Please read this manual thoroughly before installation and operation to ensure proper functionality and safety.

2. Specifications
| Parameter | Value |
|---|---|
| Firmware | V1.6 and above (update via Flipsky ESC Tool) |
| Voltage Range | 14V-85V (safe for 4-20S battery configurations) |
| Continuous Current | 85V/150A (dependent on mounting, ambient temperature, and cooling) |
| Peak Current | 250A |
| BEC Output | 5V@1A |
| Power Wire Gauge | 8 AWG (1200mm length) |
| Motor Wire Gauge | 8 AWG (195mm length) |
| Programmable Tool | Flipsky ESC TOOL |
| PWM Frequency Control | Yes |
| Multiple Speed Gear Limit Control | Yes (via UART) |
| Regenerative Capacity | Yes |
| Communication Ports | USB, CAN, UART, PPM, ADC |
| Control Signals Support | PPM, ADC, UART (compatible with all FLIPSKY VX Series remotes) |
| Dimensions (L*W*H) | 93.8mm * 63mm * 26mm (with aluminum enclosure) |
3. Features
- Fully sealed with IP68 waterproof rating for protection against water and dust.
- Utilizes ARM Cortex-M4 structure with a maximum frequency of 240MHz, enhancing PWM switching frequency and motor RPM.
- Programmable via Flipsky ESC Tool for compatibility with various motor types, battery voltages, and control methods.
- Supports programming via Flipsky remote controller VX4Pro (firmware version VX4Pro_V1.2 and above).
- Motor FOC (Field-Oriented Control) support for low working noise and smooth starting.
- Ability to save and load configuration files using the ESC Tool.
- Adaptive variable PWM frequency control.
- Provides real-time data and fault alerts for monitoring performance and issues.
- Multiple speed levels: Level 1 (Low), Level 2 (Medium), Level 3 (High).
- Supports Sensorless Modes: IPDS, HFPI, OPEN.
- Startup Modes Support: IPDS (sensorless), HFPI (sensorless), OPEN (Sensorless Open-Loop Startup).
- Traction Control functionality.
- Supports control types: Current, Duty Cycle, and Speed Control.
- Emergency stop and shutdown capabilities.
- Safe power-on protection (available in PPM & ADC control modes only).
- Comprehensive protection functions: low and high voltage protection, MOSFET over-temperature and over-current protection, and battery overcharge/discharge protection.
4. Package Contents
Upon opening your package, please verify that all the following items are included:
- 1x Flipsky FT85CS IP68 Waterproof NON-VESC Speed Controller
- 1x Input Signal Cable (B-)
- 1x UART Cable
- 1x USB Cable

5. Setup & Installation
Careful installation is crucial for the optimal performance and longevity of your ESC. Ensure all connections are secure and correctly oriented before powering on the device.
5.1 General Guidelines
- Mount the ESC in a location that allows for adequate air circulation, despite its waterproof rating, to help dissipate heat.
- Avoid placing the ESC near sources of extreme heat or strong electromagnetic interference.
- Ensure all wiring is properly insulated and secured to prevent short circuits or accidental disconnections during operation.
5.2 Wiring Diagram
Refer to the following diagram for connecting the ESC to your battery, motor, and control signals. Pay close attention to polarity and pin assignments.

Connection Points:
- Battery (B+): Connect the positive terminal of your battery pack to the B+ input.
- Battery (B-): Connect the negative terminal of your battery pack to the B- input.
- Motor (A, B, C): Connect the three phase wires of your motor to outputs A, B, and C. The order may affect motor direction and can be adjusted in the ESC Tool.
- Input Signal Cable (B-): This cable provides various signal connections.
- 1. UART Port: (GND, RX, TX, 5V) For communication with external devices like remote receivers or telemetry modules.
- 2. ADC Port: (GND, ADC1, 3.3V) For analog input signals.
- 3. PPM Port: (GND, 5V, S) For Pulse Position Modulation (PPM) control signals, commonly used with RC receivers.
- 4. CAN Port: (GND, CAN-L, CAN-H) For Controller Area Network (CAN) bus communication, allowing multiple ESCs or other CAN-enabled devices to communicate.
- 5. USB Port: For connecting to a computer to use the Flipsky ESC Tool for configuration and firmware updates.
6. Operating Instructions
The Flipsky FT85CS ESC is highly configurable to suit various applications. Initial setup and parameter tuning are performed using the Flipsky ESC Tool software or a compatible Flipsky remote.
6.1 Initial Configuration
- Software Installation: Download and install the latest Flipsky ESC Tool from the official Flipsky website onto your computer.
- Connection: Connect the ESC to your computer using the provided USB cable.
- Parameter Setup: Launch the ESC Tool. Follow the software's instructions to detect the ESC and configure parameters such as motor type, battery voltage limits, current limits, and control modes (Current, Duty Cycle, Speed Control).
- Firmware Update: Ensure your ESC is running the latest firmware (V1.6 or above). Firmware updates can be performed via the ESC Tool.
6.2 Control Methods
- PPM Control: For traditional RC remote control systems. Ensure safe power-on protection is enabled in the ESC Tool.
- ADC Control: For analog input devices. Safe power-on protection is also available.
- UART Control: For advanced communication with microcontrollers or compatible Flipsky VX Series remotes (e.g., VX4Pro with firmware V1.2+). This allows for multiple speed gear limit control and real-time data.
6.3 Speed Levels and Startup Modes
- Speed Levels: The ESC supports three configurable speed levels: Low (Level 1), Medium (Level 2), and High (Level 3). These can be selected via your control method if configured.
- Startup Modes: Choose between IPDS (sensorless), HFPI (sensorless), or OPEN (Sensorless Open-Loop Startup) based on your motor and application requirements.
7. Maintenance
While the FT85CS ESC is IP68 waterproof, proper maintenance ensures its longevity and reliable performance.
- Regular Inspection: Periodically check all wiring connections for signs of wear, corrosion, or looseness.
- Cleaning: If the ESC gets dirty, gently clean the exterior with a damp cloth. Avoid using harsh chemicals or abrasive materials.
- Heat Management: Ensure the ESC is not continuously operating at its thermal limits. While the aluminum enclosure aids in heat dissipation, proper mounting and airflow are still beneficial.
- Storage: When not in use for extended periods, store the ESC in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
This section provides guidance on common issues you might encounter. The ESC features various protection functions to prevent damage.
Common Issues & Solutions:
- Motor Not Spinning/Irregular Operation:
- Check all motor phase wire connections (A, B, C).
- Verify battery voltage and connections (B+, B-).
- Ensure the motor parameters are correctly configured in the Flipsky ESC Tool.
- Check for fault alerts in the ESC Tool or via real-time data.
- ESC Not Powering On:
- Confirm battery is charged and connected with correct polarity.
- Inspect power wires for damage or loose connections.
- Over-temperature Protection Triggered:
- Reduce load on the motor/system.
- Improve airflow around the ESC.
- Check for short circuits in the motor or wiring.
- Low/High Voltage Protection Triggered:
- Ensure your battery voltage is within the 14V-85V operating range.
- Check battery charge level.
- Verify voltage limits set in the ESC Tool.
For persistent issues, connect the ESC to the Flipsky ESC Tool to check for specific fault codes and real-time data, which can help diagnose the problem.
9. User Tips
- Initial Setup: Always perform a motor detection and calibration using the Flipsky ESC Tool after initial wiring to ensure optimal performance and prevent damage.
- Firmware Updates: Regularly check the Flipsky website for new firmware versions. Updates often include performance improvements and bug fixes.
- Waterproofing: While IP68 rated, it's good practice to avoid prolonged submersion or high-pressure water jets to maximize the lifespan of the device.
- Cable Management: Secure all cables to prevent them from rubbing, snagging, or interfering with moving parts, especially in dynamic applications like electric scooters or robotics.
10. Warranty & Support
Flipsky provides a warranty for its products under specific conditions. Please review the policy below.
10.1 Warranty Policy
- Electronic Products (ESC/Motor/Battery): The warranty period is 2 months, starting from the 7th day after shipment (shipping date checked by logistic record).
- Non-Electronic Products: The warranty period is 2 months, starting from the 7th day after shipment (shipping date checked by logistic record).
- Warranty Claim Process: To process a return for repair or replacement, contact Flipsky service at flipsky_service@outlook.com. You may be required to provide the original source order number or personal card number.
- Group-Buy Warranty: Follow the item 1 warranty policy.
10.2 Conditions Not Covered by Warranty
The following conditions are not covered under the above warranty:
- Lack of proof of purchase channel.
- Mechanical damage to electronic components or PCB.
- PCB board damage resulting from repair soldering iron traces (excluding soldered cable bullet connectors).
- Water damage or external impact damage beyond the product's IP68 specifications.
- Products purchased from channels other than Flipsky.
- Wear and tear caused by normal use.
- If the original ordered product has used the warranty policy, its second transaction personally invalidates the warranty.
10.3 Important Notes
- All products are tested before shipment.
- Contact Flipsky before installation for any configuration or information regarding VESC/Motor settings.
- No term warranty is provided; Flipsky is not liable beyond the actual purchase price.
- Shipping costs for warranty claims are the responsibility of the customer if the product is out of warranty.
- This updated warranty policy is valid since 2018/11/1.





