Kastar BA-1B-V28U-20
Kastar Battery Replacement User Manual
Model: BA-1B-V28U-20
Introduction
This manual provides essential information for the safe and effective use of your Kastar 1-Pack Ni-MH Battery Replacement. This battery is designed to be compatible with various Sony CCD-TR and CCD-TRV series camcorders, offering a reliable power source for your device.
Please read this manual thoroughly before using the battery to ensure proper operation and to maximize its lifespan.
Safety Information
WARNING:
- Do not expose the battery to high temperatures.
- Do not disassemble the battery.
- Do not short circuit the battery terminals.
- Keep the battery away from water and moisture.
- Dispose of used batteries according to local regulations. Do not dispose of in household waste.
- Keep out of reach of children.
- Use only with compatible chargers and devices as specified.
The battery features a DBCK steel shell for protection against explosion due to overpressure and includes mix-protection additives to extend its lifespan up to 1000 cycles.
Setup and Installation
Before first use, it is recommended to fully charge the battery.
Charging the Battery
Insert the Kastar replacement battery into a compatible Sony camcorder charger or a universal Ni-MH battery charger. Follow the charger's instructions for proper charging. The charging time may vary depending on the charger and the battery's initial charge level.
Installing the Battery in Your Camcorder
- Ensure your camcorder is powered off.
- Locate the battery compartment on your Sony CCD-TR or CCD-TRV series camcorder. This is typically on the rear or side of the camcorder.
- Open the battery compartment cover.
- Align the battery with the battery slot, ensuring the contacts on the battery match the contacts in the camcorder.
- Gently slide the battery into the compartment until it clicks into place, indicating a secure connection.
- Close the battery compartment cover.

Image: A side view of the Kastar Ni-MH battery, showing its compact design and connection points, ready for installation into a compatible camcorder.
Operating the Battery
Once installed, the battery will power your camcorder. The battery's high capacity (2650mAh) ensures extended recording and playback times.
Battery Level Indication
Refer to your camcorder's user manual for information on how to check the battery level indicator. Most camcorders display the remaining battery life on the LCD screen or viewfinder.
Optimal Performance
For optimal performance and battery longevity, avoid completely draining the battery before recharging. Ni-MH batteries benefit from regular use and recharging.

Image: The Kastar Ni-MH battery showing its label with specifications: "For Universal Slim/28U 6.0V 2650mAh 15.9Wh Ni-MH Battery Pack" and safety warnings.
Maintenance
- Cleaning: Periodically clean the battery contacts and the camcorder's battery compartment contacts with a dry, soft cloth to ensure good electrical connection.
- Storage: If storing the battery for an extended period, charge it to approximately 50% capacity and store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Lifespan: The battery is designed for up to 1000 charge/discharge cycles. Proper care and usage will help achieve this lifespan.
- Environmental Protection: This Ni-MH battery is eco-friendly, containing no mercury (Hg), cadmium (Cd), or lead (Pb).
Troubleshooting
Battery Not Charging
- Ensure the battery is correctly inserted into the charger.
- Verify the charger is properly connected to a power source.
- Check for any debris or corrosion on the battery and charger contacts. Clean if necessary.
- Confirm the charger is compatible with Ni-MH batteries and the specific voltage/capacity.
Camcorder Not Powering On
- Ensure the battery is fully charged.
- Verify the battery is securely installed in the camcorder's compartment.
- Check if the battery contacts are clean and free of obstruction.
- If possible, test with another known good battery or power source to rule out camcorder issues.
Shortened Battery Life
- Ensure the battery is being fully charged before use.
- Operating the camcorder in extreme temperatures (very hot or very cold) can reduce battery performance.
- Frequent partial discharges without full recharges can sometimes lead to reduced capacity over time (memory effect, though less pronounced in Ni-MH than Ni-Cd).
- The battery may be nearing the end of its expected lifespan (approx. 1000 cycles).
Specifications
| Attribute | Value |
|---|---|
| Model Number | BA-1B-V28U-20 |
| Battery Type | Ni-MH |
| Battery Voltage | 6.0V |
| Battery Capacity | 2650mAh |
| Dimensions | 1.85 x 0.93 x 3.51 inches |
| Weight | 7 ounces |
| Compatible Battery Models | Sony NP-33, NP-55, NP-55H, NP-66, NP-68, NP-77, NP-77H, NP-78, NP-90, NP-98, NP-98H, NP-99 |
| Compatible Camcorder Series | Sony CCD-TR Series, Sony CCD-TRV Series |
For a complete list of compatible camcorder models, please refer to the product listing or contact Kastar customer support.
Warranty and Support
Kastar products are designed for reliability and performance. For warranty information or technical support, please visit the official Kastar website or contact their customer service department.
You can find more information and contact details by visiting the Kastar Store on Amazon.

Image: The Kastar product packaging box, featuring the brand logo and a message encouraging customers to provide feedback for improvement.
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