1. Introduction
This manual provides essential instructions for the safe and efficient operation of your Gens ace Imars S100 G-Tech Series 100W Lipo Battery Charger. Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage or injury.

Figure 1: Front view of the Gens ace Imars S100 G-Tech Series 100W Lipo Battery Charger.
2. Package Contents
Verify that all items listed below are present in your product package. If any items are missing or damaged, please contact your retailer or Gens ace customer support.
- Gens ace iMars S100 Lipo Charger
- AC Input Cable (x1)
- XT60-T adapter (x1)
- XT60-EC5 adapter (x1)
- XT60-EC3 adapter (x1)
- Use Manual (x1)

Figure 2: Contents of the Gens ace Imars S100 package, including the charger, AC input cable, and various XT60 adapters.
3. Setup Instructions
- Unpacking: Carefully remove all components from the packaging. Retain the packaging for future storage or transport.
- Power Connection: Connect the supplied AC Input Cable to the charger's AC input port and then to a suitable wall outlet (100-240VAC).
- Initial Power On: The charger will power on automatically. The display will show the initial startup screen.
- Adapter Selection: Choose the appropriate XT60 adapter (XT60-T, XT60-EC5, or XT60-EC3) for your battery type. Connect this adapter to the XT60 output port on the charger.
4. Operating Instructions
4.1. G-Tech Smart Battery Charging
The Gens ace Imars S100 features a built-in Smart Chip for G-Tech batteries, simplifying the charging process.
- Connect G-Tech Battery: Plug your G-Tech smart battery into the appropriate XT60 adapter connected to the charger. Ensure the balance lead (if applicable) is also connected to the balance port.
- Automatic Recognition: The charger will automatically identify the G-Tech smart battery information, including battery type, cell count, and recommended charging parameters.
- Automatic Charging: Charging will commence automatically based on the identified parameters. The display will show charging progress, current, voltage, and capacity.
- Automatic Stop: The charger will automatically stop charging once the battery is fully charged.

Figure 3: The charger's display interface, illustrating data record and storage capabilities during the charging process for a G-Tech battery.
4.2. Non-Smart Battery Charging
The iMars S100 is also compatible with non-smart batteries, requiring manual parameter settings.
- Connect Non-Smart Battery: Plug your non-smart battery into the appropriate XT60 adapter. Connect the balance lead to the balance port if performing a balance charge.
- Manual Parameter Setting:
- Navigate through the charger's menu using the control buttons.
- Select the correct battery type (LiPo/Li-Ion/LiHV/LiFe, NiMH).
- Set the cell count (e.g., 2S, 3S, 4S, 6S for LiPo).
- Adjust the charging current (up to 10A max).
- Select the desired charging mode (Charge, Balance Charge, Storage, Discharge).
- Start Charging: Confirm your settings and initiate the charging process.
- Monitor Progress: Regularly monitor the charging process and battery status on the display.
- Stop Charging: The charger will stop automatically when the battery reaches its full capacity or manually stop if needed.
Important: Always ensure correct battery type and cell count settings for non-smart batteries to prevent damage or safety hazards.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the charger's exterior. Do not use solvents or abrasive cleaners.
- Storage: Store the charger in a cool, dry place away from direct sunlight and moisture when not in use.
- Inspection: Periodically inspect the AC input cable and all adapter cables for any signs of damage. Replace damaged cables immediately.
- Ventilation: Ensure the charger's ventilation openings are not obstructed during operation to prevent overheating.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger does not power on. | No power supply; faulty cable. | Check AC input cable connection; ensure wall outlet is functional. |
| G-Tech battery not recognized. | Improper connection; battery fault. | Ensure battery is securely connected to the XT60 port and balance port (if applicable). Try another G-Tech battery if available. |
| Non-smart battery not charging. | Incorrect settings; battery fault. | Verify battery type, cell count, and charging current settings. Check battery condition. |
| Charger displays an error message. | Various (e.g., over-voltage, reverse polarity). | Refer to the charger's display for specific error codes and consult the full manual for detailed explanations. Disconnect battery and power, then reconnect carefully. |
7. Specifications
| Feature | Detail |
|---|---|
| Product Model | iMars S100 (GEAS100-UB) |
| Net Weight | Approx. 260g (0.57 lbs) |
| Dimensions (L x W x H) | 139.8 x 83 x 40mm (5.51 x 3.27 x 1.57 inches) |
| Input Voltage | 100V~240VAC |
| Input Current | 50~60Hz 1.5A |
| Output Voltage | 27V (Max.) |
| Channel | Single |
| Battery Type Support | 2~6S (LiPo/Li-Ion/LiHV/LiFe), 4~18S (NiMH) |
| Functions | Charge, Discharge, Storage, Balance, etc. |
| Charging Power | 100W (Max.) |
| Charging Current | 10A (Max.) |
| Discharging Power | 5W (Max.) |
| Discharging Current | 0.4A (Max.) |
| Input Connector | AC |
| Output Connector | XT60 |
| Safety Certification | UL |

Figure 4: Detailed product specifications for the iMars S100 charger.
8. Warranty Information
Specific warranty details for the Gens ace Imars S100 charger are typically provided with the product packaging or available on the official Gens ace website. Please refer to these resources for the most accurate and up-to-date warranty terms and conditions.
Generally, warranty coverage addresses manufacturing defects under normal use. Keep your proof of purchase for any warranty claims.
9. Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Gens ace customer support. Contact information can usually be found on the product packaging, the official Gens ace website, or through your retailer.
When contacting support, please have your product model (Imars S100) and proof of purchase ready.





