1. Introduction
This user manual provides essential information for the safe and effective use of your Kastar NP-FS11 Lithium-Ion batteries and the accompanying LCD AC charger. Please read this manual thoroughly before use and retain it for future reference.

Figure 1.1: The Kastar NP-FS11 Battery and LCD AC Charger Kit, including four batteries, one LCD AC charger, a wall adapter, and a car charger adapter.
2. Safety Information
Observe the following safety precautions to prevent damage to the product or injury to yourself.
- Do not disassemble the unit: Attempting to disassemble the charger or batteries may cause electric shock, fire, or damage to the product.
- Dry location use only: The charger is designed for indoor use in dry conditions. Do not expose it to rain, moisture, or extreme humidity.
- Avoid high temperatures: Do not expose batteries or charger to high temperatures (above 140°F / 60°C) or direct sunlight.
- Proper disposal: Dispose of batteries according to local regulations. Do not incinerate.
- Keep out of reach of children: This product is not a toy.

Figure 2.1: Charger label indicating input/output specifications and safety warnings, including 'Do not disassemble unit' and 'Dry location use only'.
3. Package Contents
Your Kastar NP-FS11 Battery and LCD AC Charger kit includes:
- 4 x Kastar NP-FS11 Lithium-Ion Batteries
- 1 x Kastar LCD AC Charger
- 1 x AC Wall Adapter
- 1 x Car Charger Adapter
4. Setup: Charging the Batteries
Follow these steps to charge your Kastar NP-FS11 batteries using the provided LCD AC charger.
- Connect the Charger: Plug the AC wall adapter into a standard wall outlet (AC 100-240V, 50-60Hz). Alternatively, use the car charger adapter to connect to your vehicle's 12V power socket.
- Insert Battery: Carefully insert one Kastar NP-FS11 battery into the charging slot of the LCD AC charger. Ensure the battery is oriented correctly.
- Monitor Charging Status: The LCD screen on the charger will display the current charging status and the battery's charge percentage. A full battery icon indicates a complete charge.
- Remove Battery: Once charging is complete, remove the battery from the charger. Disconnect the charger from the power source when not in use.

Figure 4.1: A Kastar NP-FS11 battery correctly inserted into the LCD AC charger for charging.

Figure 4.2: The LCD screen on the charger indicating the battery's charge level, allowing for easy verification of battery status even when not connected to AC power.
5. Operating: Using the Batteries
The Kastar NP-FS11 batteries are compatible with various Sony cameras and camcorders. Refer to your device's manual for specific battery insertion instructions.
5.1 Compatible Battery Models
- Sony NP-FS11, NP-F10, NP-FS10, NP-FS12
- Sony FS21, FS31
5.2 Compatible Charger Models
- Sony AC-VQ11
- Sony AC-VF10
5.3 Compatible Camera Models
- Sony CCD-CR1, CCD-CR5
- Sony DCR-PC1, DCR-PC2, DCR-PC3, DCR-PC4, DCR-PC5
- Sony DCR-TRV1VE
- Sony DSC-F505, DSC-F505V, DSC-F55, DSC-F55V
- Sony DSC-P1, DSC-P20, DSC-P30, DSC-P50
6. Maintenance
Proper maintenance extends the lifespan of your batteries and charger.
- Cleaning: Use a soft, dry cloth to clean the charger and battery contacts. Do not use liquid cleaners or solvents.
- Storage: Store batteries in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to store batteries with a partial charge (around 50%).
- Avoid short circuits: Do not allow metal objects to come into contact with the battery terminals.
7. Troubleshooting
If you encounter issues, refer to the following common problems and solutions.
- Battery not charging:
- Ensure the charger is properly connected to a power source.
- Verify the battery is correctly inserted into the charger.
- Check for any visible damage to the charger or battery.
- LCD display not working:
- Ensure the charger is receiving power.
- Try a different power outlet.
- Battery not powering device:
- Ensure the battery is fully charged.
- Verify the battery is correctly inserted into your camera or camcorder.
- Confirm your device is compatible with NP-FS11 type batteries.
8. Specifications
| Component | Specification |
|---|---|
| Battery Type | Lithium-Ion |
| Battery Voltage | 3.7V |
| Battery Capacity | 1900mAh |
| Charger Input | AC 100~240V, 50~60Hz |
| Charger Output | DC 4.2V, 800mA |
| Model Number | CHL-4B-FS11 |
| UPC | 638457563726 |
| Product Dimensions | 3 x 3 x 4 inches (approximate) |
| Item Weight | 7 ounces (approximate) |
9. Warranty and Support
Kastar products are designed for reliability and performance. The battery packaging indicates an 18-month warranty. For warranty claims or technical support, please contact Kastar customer service through their official channels or the retailer where the product was purchased.

Figure 9.1: Battery packaging highlighting key features including '18 months warranty'.