BDC35A BDC-35 NI-MH Rechargeable Battery User Manual
For Sok SET030R, 130R, 2100, 22D Series Total Stations
1. Introduction
This manual provides essential information for the safe and effective use of your BDC35A BDC-35 Nickel-Metal Hydride (NI-MH) rechargeable battery. Please read this manual thoroughly before using the battery to ensure proper operation and to prevent damage or injury.
2. Specifications
| Feature | Detail |
|---|---|
| Model Number | BDC35A, BDC-35 Battery |
| Brand Name | BMAD |
| Chemistry | Nickel-Metal Hydride (NI-MH) |
| Voltage | 6.0V |
| Capacity | 2700mAh |
| Compatible Models | Sok SET030R, 130R, 2100, 22D Series Total Stations |
| Certification | CE |
| Origin | Mainland China |
3. Safety Information and Warnings
WARNING: Failure to follow these safety instructions may result in fire, electric shock, injury, or damage to the battery or device.
- Do not disassemble, mutilate, or incinerate the battery. This can cause severe injury or fire.
- Avoid heating or short-circuiting the battery. This may cause the battery to burn or burst.
- Use only the standard battery charger designed for NI-MH batteries. Using an incompatible charger can damage the battery and pose a safety risk.
- Do not crush or puncture the battery.
- Do not immerse the battery in liquids.
- Avoid mechanical or electrical abuse.
- Do not install with incorrect polarity.
- Keep out of reach of children.
- Disposal: Nickel-Metal Hydride batteries must be recycled or disposed of properly according to local regulations. Do not dispose of in household waste.


For detailed chemical safety information, a Material Safety Data Sheet (MSDS) is available. Please ensure any MSDS consulted is specific to Nickel-Metal Hydride (NI-MH) battery chemistry. A general MSDS for Lithium-Ion batteries is available at this link, but users should verify its applicability to NI-MH chemistry.
4. Setup and Installation
The BDC35A BDC-35 battery is designed for easy installation into compatible total stations.
- Ensure the total station is powered off before attempting to install or remove the battery.
- Locate the battery compartment on your total station. Refer to your total station's manual for specific instructions on opening the compartment.
- Align the battery with the compartment, ensuring the contacts on the battery match the terminals in the device.
- Gently slide the battery into the compartment until it clicks securely into place.
- Close the battery compartment cover.


5. Operating Instructions
5.1 Initial Use and Charging
Before first use, it is recommended to fully charge the battery. Use only a charger compatible with NI-MH batteries and specifically designed for the BDC35A or BDC-35 model.
- Connect the battery to its dedicated charger.
- Allow the battery to charge completely. Charging indicators on your charger will typically show when the battery is full.
- Once charged, disconnect the battery from the charger.
5.2 Regular Use
Once installed and charged, the battery will power your total station. Monitor the battery level indicator on your total station and recharge as needed.
6. Maintenance
6.1 Cleaning
- Keep the battery contacts clean and dry. Use a clean, dry cloth to wipe off any dust or debris.
- Do not use harsh chemicals or abrasive materials for cleaning.
6.2 Storage
- Store the battery in a cool, dry, and well-ventilated area.
- Avoid storing the battery in high temperatures or direct sunlight for extended periods.
- For long-term storage, it is advisable to store NI-MH batteries with some charge (around 40-50% of capacity) to prevent deep discharge.
- Keep the battery away from heating equipment.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Incorrect charger, poor contact, or battery fault. | Ensure you are using the correct charger. Clean battery contacts. If problem persists, the battery or charger may be faulty. |
| Battery not powering device | Battery not charged, incorrect installation, or battery fault. | Ensure battery is fully charged and correctly installed. Check device for other issues. |
| Battery leaking or emitting odor | Internal damage or overheating. | Immediately remove the battery from the device (if safe to do so). Place it in a non-flammable container. Ensure good ventilation. Avoid skin and eye contact. Do not attempt to use or repair. Dispose of properly. |
8. User Tips
- Verify Compatibility: Always double-check that the BDC35A BDC-35 battery is compatible with your specific total station model (e.g., Sokkia SET030R, 130R, 2100, 22D Series) before purchase and use.
- Optimal Charging: For best battery life, avoid overcharging and deep discharging. Follow the manufacturer's recommendations for charging cycles.
- Temperature Management: Operate and store the battery within recommended temperature ranges to maximize performance and lifespan.
9. Warranty and Support
This product comes with a 6-month warranty from the date of receipt. For warranty claims or technical support, please contact your retailer or the manufacturer with your purchase details.