1. Product Overview
The Nitecore FX3 is an advanced dual-slot USB battery charger specifically engineered for Fujifilm NP-W235 camera batteries. It provides efficient and intelligent charging, allowing users to charge two batteries simultaneously. Its compact design and USB power input make it an ideal companion for photographers on the go.
Figure 1: Nitecore FX3 Dual Slot USB Battery Charger with batteries and active LCD display.
Key Features:
- Dual Slot Charging: Capable of charging two Fujifilm NP-W235 batteries simultaneously.
- High-Definition LCD Display: Provides real-time charging information including battery voltage, charging current, temperature, charged volume (mAh), battery level, and battery health status.
- Intelligent USB Charging Management System: Automatically detects battery status and selects the optimal charging mode (CC or CV).
- USB-C Input Port: Compatible with various mobile power sources such as power banks, solar panels, and USB adapters for versatile charging.
- Quick Charge (QC) Support: Achieves a maximum output of 1000mA per slot, fully charging two batteries in approximately 2 hours.
- Multiple Protection Safeguards: Includes over-discharged battery activation, reverse polarity protection, and short-circuit protection for enhanced safety.
- Durable Construction: Made from durable and fire-retardant PC and ABS (V0) materials.
2. Setup
Follow these steps to set up your Nitecore FX3 charger:
- Connect to Power: Locate the integrated USB-C cable on the side of the FX3 charger. Connect this cable to a compatible USB power source (e.g., a USB wall adapter, power bank, or computer USB port). The charger's LCD display will illuminate.
- Insert Batteries: Carefully insert one or two Fujifilm NP-W235 batteries into the designated charging slots. Ensure the battery contacts align correctly with the charger's pins. The LCD display will show the charging status for each inserted battery.
Figure 2: USB-C Input Port for power connection.
Figure 3: Dual charging slots for Fujifilm NP-W235 batteries.
3. Operating Instructions
Once batteries are inserted and the charger is powered, the FX3 will automatically begin the charging process. The high-definition LCD display provides comprehensive real-time information:
Figure 4: Detailed view of the LCD display showing real-time charging information.
- Battery Status: Indicates the health of the battery (e.g., Good, Normal, Poor).
- Charged Volume (mAh): Displays the amount of energy charged into the battery.
- Battery Temperature: Shows the current temperature of the battery.
- Charging Current: Indicates the current rate of charge in mA.
- Battery Voltage: Displays the current voltage of the battery.
The display cycles through these parameters automatically. When charging is complete, the display will indicate a full charge, and the charging process will stop automatically to prevent overcharging.
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Nitecore FX3 charger:
- Cleaning: Use a soft, dry cloth to wipe the charger's surface. Do not use abrasive cleaners or solvents. Ensure no dust or debris accumulates in the charging slots or USB port.
- Storage: Store the charger in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. When not in use for extended periods, disconnect it from the power source.
- Handling: Avoid dropping the charger or subjecting it to strong impacts, as this can damage internal components.
5. Troubleshooting
If you encounter issues with your Nitecore FX3 charger, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger display is off / No power | USB cable not properly connected; Power source issue; Damaged cable/charger. | Ensure USB cable is securely connected to both charger and power source. Try a different USB port or power adapter. Inspect the cable for damage. |
| Battery not charging / "Poor" status | Battery not inserted correctly; Battery contacts dirty; Battery is faulty or deeply discharged; Reverse polarity. | Re-insert the battery, ensuring proper alignment. Clean battery contacts with a dry cloth. If battery is deeply discharged, the charger may attempt activation. If still not charging, the battery may be faulty. Ensure battery is inserted with correct polarity. |
| Slow charging speed | Insufficient power input from USB source; Using a non-QC compatible power source. | Ensure your USB power adapter provides sufficient current (e.g., 5V/2A or QC 2.0/3.0 compatible). Try a different, higher-rated USB power source. |
| Charger or battery becomes hot | Normal during charging; Overheating due to faulty battery or charger. | Slight warmth is normal. If it becomes excessively hot, immediately disconnect the charger and remove batteries. Do not use if overheating persists. Contact support. |
6. Specifications
Detailed technical specifications for the Nitecore FX3 charger:
- Model: FX3
- Compatible Batteries: Fujifilm NP-W235
- Input: DC 5V 2A
- Output: 8.4V ±1% (1000mA MAX per slot)
- Charging Time: Approximately 2 hours for two batteries (with sufficient input power)
- Dimensions: 12P x 16l x 5H centimeters (approx. 4.7 x 6.3 x 2 inches)
- Weight: 60 Grams (approx. 2.1 ounces)
- Material: Durable and fire-retardant PC and ABS (V0)
- Safety Standards: UL Compliant
- Color: Black
7. Safety Precautions
To ensure safe operation and prevent damage, please observe the following precautions:
- Use the charger only with specified Fujifilm NP-W235 batteries.
- Do not attempt to charge non-rechargeable batteries.
- Keep the charger away from water, moisture, and high humidity.
- Do not disassemble, modify, or attempt to repair the charger.
- Avoid exposing the charger to extreme temperatures or direct sunlight.
- Keep out of reach of children.
- Disconnect the charger from the power source when not in use.
8. Warranty and Support
Nitecore products are known for their quality and reliability. For specific warranty information, please refer to the warranty card included with your product or visit the official Nitecore website. For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Nitecore customer support through their official channels.
Please retain your proof of purchase for warranty claims.
