1. Introduction
This manual provides instructions for the safe and efficient use of your Sunny-room Battery Charger. This charger is designed to power various Sony camcorder batteries, including models NP-FM30, NP-FM50, NP-FM51, NP-FM70, NP-FM71, NP-FM90, NP-FM91, NP-QM50, NP-QM51, NP-QM70, NP-QM71, NP-QM71D, NP-QM90, NP-QM91, and NP-QM91D, commonly used with Sony DCR-TRV280, DCR-TRV380, and DCR-TRV480 Handycam camcorders.
Please read this manual thoroughly before operating the device to ensure proper functionality and to prevent damage.
2. Package Contents
Verify that all items listed below are included in your package:
- 1x Wall Charger Unit: The main charging unit with a fold-out US wall plug. (Battery not included)
- 1x Car Charger Cable: For charging in a vehicle's 12V DC outlet.

Image 1: The Sunny-room battery charger unit shown with its included car charger adapter. The main charger unit features a battery slot and an LED indicator.
3. Setup
Before charging, ensure the battery is compatible with the charger. This charger is designed for specific Sony NP-F/NP-QM series batteries. Do not attempt to charge incompatible batteries.
3.1. Connecting to Power
The charger offers two power input options:
- AC Wall Outlet: Fold out the US wall plug from the charger unit and insert it directly into a standard AC 100V-240V wall outlet.
- DC Car Outlet: Connect the provided car charger cable to the DC input port on the side of the charger unit. Then, insert the other end of the car charger cable into your vehicle's 12V DC accessory outlet (cigarette lighter socket).

Image 2: A collage showing the battery charger with the car adapter, the back of the charger with specifications, and the charger with its fold-out US wall plug. This illustrates the versatile power input options.
4. Operating Instructions
4.1. Charging a Battery
- Connect to Power: Ensure the charger is properly connected to either an AC wall outlet or a 12V DC car outlet as described in Section 3.1.
- Insert Battery: Carefully align the battery with the charging contacts in the charger slot. Ensure the positive (+) and negative (-) terminals of the battery match the corresponding contacts in the charger. Gently push the battery into the slot until it is securely seated.
- Monitor Charging Status: The LED indicator on the charger will illuminate to show the charging status:
- Red LED: Indicates that the battery is currently charging.
- Green LED: Indicates that the battery is fully charged.
- Remove Battery: Once the LED indicator turns green, the battery is fully charged. Carefully remove the battery from the charger. Disconnect the charger from the power source when not in use.
Note: The charger only charges the battery; it cannot directly charge the camera or camcorder. Charging time typically ranges from 1 to 4 hours, depending on the battery's capacity and discharge level.

Image 3: Top view of the Sunny-room battery charger, highlighting the battery slot and the "CHARGE" LED indicator.
5. Maintenance
- Keep the charger clean and dry. Use a soft, dry cloth to wipe the exterior.
- Avoid exposing the charger to extreme temperatures, humidity, or direct sunlight.
- Do not disassemble the charger. Servicing should only be performed by qualified personnel.
- Store the charger in a cool, dry place when not in use.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| LED indicator does not light up when battery is inserted. |
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| Battery does not charge or charges slowly. |
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7. Specifications
| Input (AC) | 100V-240V, Max 150mA, 50/60Hz |
| Input (DC) | 12V (via car charger cable) |
| Output | DC 8.4V, 600mA (for 7.0V-7.4V Lithium-ion batteries) |
| Compatible Battery Types | Sony NP-FM30, NP-FM50, NP-FM51, NP-FM70, NP-FM71, NP-FM90, NP-FM91, NP-QM50, NP-QM51, NP-QM70, NP-QM71, NP-QM71D, NP-QM90, NP-QM91, NP-QM91D |
| Charging Time | Approximately 1-4 hours (varies by battery capacity and charge level) |
| Protection Features | Constant Current Control, Over-Voltage Protection, Over-Charging Protection, Short-Circuit Protection |
| Product Dimensions | 3.86 x 1.85 x 1.38 inches |
| Item Weight | 3.17 ounces (approx. 0.09 Kilograms) |
8. Warranty and Support
For warranty information or technical support, please refer to the seller's policies or contact the manufacturer, Sunny-room, directly. Keep your purchase receipt as proof of purchase.
For further assistance, you may visit the product page on Amazon or contact the seller through the Amazon platform.