Introduction
The Spektrum S120 USB-C Smart Charger is designed for convenient and safe charging of compatible Spektrum Smart batteries. This 20W charger automatically detects battery information and initiates charging when connected to a USB power source. It is compatible with 2-3 cell Spektrum Smart LiPo/LiFe/LiHV and 6-7 cell Smart NiMh batteries.
Safety Information
WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before operating. Failure to operate the product correctly can result in damage to the product, personal property and cause serious injury. This is a sophisticated hobby product. It must be operated with caution and common sense and requires some basic mechanical ability. Failure to operate this Product in a safe and responsible manner could result in injury or damage to the product or other property. This product is not intended for use by children without direct adult supervision. Do not use with incompatible components or alter this product in any way outside of the instructions provided by Horizon Hobby, LLC. The product manual contains instructions for safety, operation and maintenance. It is essential to read and follow all the instructions and warnings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious injury.
What's in the Box
- Spektrum S120 USB-C Smart Charger 1x20W, SPMXC1020
- USB-C to USB-A Cable
Product Overview
Setup
Power Connection
- Connect the included USB-C to USB-A cable to the charger's USB-C port.
- Plug the USB-A end of the cable into a compatible USB power source (not included). Ensure the power source can provide sufficient wattage (20W recommended for optimal performance).
Operating Instructions
Charging a Smart Battery
- Ensure the Spektrum S120 charger is connected to a functional USB power source.
- Connect your Spektrum Smart battery to the charger. For LiPo, LiFe, and LiHV batteries, both the main lead (IC3 connector) and the balance lead must be connected. For NiMh batteries, only the main lead is required.
- The charger will automatically detect the battery information (type, cell count) and begin the charging process.
LED Status Indicator
Monitor the LED light on the charger for status indication:
- Blinking Purple or Yellow: Charging in progress.
- Solid Green: Charging complete.
Maintenance
Cleaning
Regularly clean the charger's exterior with a soft, dry cloth. Do not use solvents, abrasive cleaners, or allow moisture to enter the device.
Storage
Store the charger in a cool, dry place away from direct sunlight, extreme temperatures, and moisture when not in use.
Cable and Connector Inspection
Periodically inspect the USB-C cable and all battery connectors (IC3 and balance ports) for any signs of wear, damage, or corrosion. Replace damaged components immediately to ensure safe operation.
Troubleshooting
Charger Not Powering On
- Ensure the USB-C cable is securely connected to both the charger and a functional USB power source.
- Verify that the USB power source is active and providing power. Try a different USB port or power adapter if available.
Battery Not Charging
- Confirm that you are using a compatible Spektrum Smart battery (2-3 cell LiPo/LiFe/LiHV or 6-7 cell NiMh).
- For LiPo, LiFe, and LiHV batteries, ensure both the main IC3 connector and the balance lead are correctly and fully connected to the charger.
- Check for any visible damage to the battery or charger connectors.
Slow Charging
- Charging speed is dependent on the power output of your USB source. For optimal 20W charging, use a USB power adapter capable of delivering 20W.
- Ensure the USB cable used is of good quality and capable of handling the required power delivery.
Specifications
| Model Number | SPMXC1020 |
| Product Dimensions | 3.5 x 3.5 x 0.5 inches |
| Item Weight | 1.44 ounces |
| Wattage | 20 watts |
| Connector Type | USB Type C (Input) |
| Compatible Batteries | 2-3 Cell Spektrum Smart LiPo/LiFe/LiHV, 6-7 Cell Spektrum Smart NiMh |
| Special Feature | Lightweight Design, Smart Battery Detection |
Warranty and Support
For warranty information, technical support, and service inquiries, please refer to the official Spektrum website or contact their customer service directly. Specific warranty details are not provided within this instruction manual.
