1. Product Overview
This manual provides instructions for the safe and efficient use of your Kastar NP-F550 / NP-F570 Lithium-Ion batteries and the accompanying AC wall charger. This system is designed to power compatible camera field monitors and other devices that utilize NP-F series batteries.

Figure 1: Kastar AC Wall Charger and four NP-F550/NP-F570 batteries.
Key Features:
- Battery Type: Lithium-Ion, 7.4V, 2900mAh capacity.
- Charger Design: AC wall charger with foldable flat pin for convenient storage and portability.
- Input/Output: Charger input AC 100-240V 50-60Hz; Output DC 8.4V 600mA.
- Charging Indicator: LED light indicates charging status (Red for charging, Green for standby or full-charge).
- Compatibility: Designed for various camera field monitors including AndyCine A6 Plus, C6S, A7, Lilliput A5, A7S, and others that use NP-F550/NP-F570 type batteries.
2. Safety Information
Please read and understand all safety warnings before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Do not incinerate or disassemble batteries.
- Do not short-circuit battery terminals.
- Dispose of property according to local regulations.
- Do not expose batteries to high temperatures (above 140°F / 60°C).
- Keep the charger dry; do not expose to moisture.
- Do not attempt to open or service the charger unit. Refer servicing to qualified personnel.

Figure 2: Battery label showing specifications and safety warnings.
3. Setup and Charging
3.1 Unpacking
Carefully remove all components from the packaging. Verify that you have received the AC wall charger and the specified number of NP-F550/NP-F570 batteries.

Figure 3: Front of the Kastar battery packaging.

Figure 4: Back of the Kastar battery packaging, showing charging time estimates.
3.2 Initial Battery Charge
It is recommended to fully charge new batteries before their first use to optimize performance and lifespan.
- Prepare the Charger: Unfold the AC plug pins from the charger body.
- Insert Battery: Align the battery with the charging slot on the charger and gently slide it in until it clicks into place. Ensure proper orientation.
- Connect to Power: Plug the charger directly into a standard AC 100-240V wall outlet.
- Monitor Charging: The LED indicator on the charger will illuminate Red to signify that the battery is charging.
- Charging Complete: Once the battery is fully charged, the LED indicator will turn Green.
- Remove Battery: Disconnect the charger from the wall outlet, then carefully remove the battery from the charging slot.

Figure 5: Kastar charger with AC pins folded for storage.

Figure 6: Kastar charger with AC pins unfolded, ready to plug into a wall outlet.
Note: Charging times vary depending on the battery's current charge level. Refer to the product packaging or specifications for estimated charging durations.
4. Operating Instructions
Once charged, the batteries are ready for use with compatible devices such as camera field monitors. Insert the charged battery into your device according to the device's manufacturer instructions.
LED Indicator Guide:
- Red Light: Battery is currently charging.
- Green Light: Battery is fully charged or the charger is in standby mode (no battery inserted).
5. Maintenance and Storage
- Cleaning: Use a soft, dry cloth to clean the charger and battery terminals. Do not use liquid cleaners or solvents.
- Storage: Store batteries and charger in a cool, dry place away from direct sunlight and extreme temperatures.
- Long-Term Storage: For extended storage, charge batteries to approximately 50-70% capacity. Recharge every 3-6 months to prevent deep discharge.
- Disposal: Dispose of old or damaged batteries responsibly according to local electronic waste regulations. Do not dispose of in household waste.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger LED does not light up when plugged in. | No power from outlet; charger malfunction. | Check the wall outlet with another device. Ensure charger pins are fully extended and properly inserted. If issue persists, charger may be faulty. |
| Charger LED remains green with battery inserted. | Battery already fully charged; battery not properly seated; faulty battery. | Remove and re-insert the battery, ensuring it is securely connected. Try charging a different battery. If the battery is known to be discharged and still shows green, the battery or charger may be faulty. |
| Battery does not hold charge or drains quickly. | Battery aging; improper charging/storage; faulty battery. | Ensure proper charging procedures are followed. Battery lifespan decreases over time; consider replacing old batteries. |
7. Specifications
Battery (NP-F550 / NP-F570):
- Type: Lithium-Ion
- Voltage: 7.4V
- Capacity: 2900mAh
- Energy: 21Wh
AC Wall Charger:
- Input: AC 100-240V, 50-60Hz, Max 150mA
- Output: DC 8.4V, 600mA
- Indicator: Red (Charging), Green (Full/Standby)
Physical Characteristics:
- Product Dimensions: Approximately 2.5 x 4 x 3 inches (Charger and battery combined, for reference)
- Item Weight: Approximately 1.15 pounds (Total package weight)
- Model Number: NOCAR-4B-F570L-16
8. Warranty and Support
Kastar products are designed for reliability and performance. The product packaging indicates an 18-month warranty for the battery. For specific warranty details and support inquiries, please refer to the official Kastar website or contact their customer service directly.
You may also consider additional protection plans offered at the time of purchase for extended coverage.
Manufacturer: Kastar
Date First Available: May 26, 2022
For further assistance, please visit the Kastar Store on Amazon.