Introduction
This manual provides essential instructions for the safe and effective use, charging, and maintenance of your Upstart Battery 12V Nickel-Cadmium (NiCD) replacement battery. This battery is designed for compatibility with various Black & Decker 12V power tools. Please read this manual thoroughly before first use to ensure optimal performance and longevity of your battery.
Important Safety Information
Failure to follow these safety instructions may result in fire, electric shock, or personal injury.
- Do not disassemble, open, or shred battery packs.
- Do not short-circuit a battery pack. Do not store battery packs haphazardly in a box or drawer where they may short-circuit each other or be short-circuited by other metal objects.
- Do not expose battery packs to heat or fire. Avoid storage in direct sunlight.
- Do not subject battery packs to mechanical shock.
- In the event of a battery leaking, do not allow the liquid to come into contact with the skin or eyes. If contact has been made, wash the affected area with copious amounts of water and seek medical advice.
- Keep battery packs clean and dry.
- Recharge only with the charger specified by the manufacturer. Using a charger unsuitable for NiCD batteries may create a risk of fire.
- Do not use any battery pack that is not designed for use with the equipment.
- Keep battery packs out of the reach of children.
- Observe the plus (+) and minus (-) marks on the battery and equipment and ensure correct use.
- Dispose of battery packs properly at designated recycling centers. Do not dispose of in household waste.
Compatibility
This Upstart Battery 12V NiCD battery is a direct replacement for Black & Decker 12V power tool batteries and is compatible with the following OEM model numbers:
- Black & Decker: A12-XJ, A12, A12EX, BD12PSK, BDBN1202, BDG1200K, BDGL12K, BDID1202, CD1200SK, CD12SFK, CDC1200K, CDC120AK, CDC120ASB, CP122K, CP122KB, CP12K, CP12KB, FS120B, FSB12, HP122K, HP122KD, HP126F2B, HP126F2K, HP126F3B, HP126F3K, HP126FBH, HP126FSC, HP126FSH, HP126K, HP128F3B, HP12K, HP12KD, HP9019K, HPB12, HPD1200, HPD1202, HPD1202KF, HPD12K-2, KC2000FK, PS12HAK, SX3000, SX3500, SX5000, XD1200, XD1200K, XTC121, XTC12IK, XTC12IKH
- Firestorm: FS1200D-2, FS1200D, FS1202BN, FS1202D, FS120B, FS120BX, FS12PS, FS12PSK, FSD122
Setup
1. Initial Charging
Before first use, fully charge the battery. NiCD batteries often benefit from a full charge and discharge cycle initially to reach their full capacity. Use a compatible Black & Decker 12V NiCD battery charger.

Image: Top view of the Upstart Battery 12V NiCD battery, displaying the product label with voltage (12V), capacity (1300mAh), and safety warnings. This is the battery you will be charging.
2. Battery Installation
- Ensure your power tool is turned off and disconnected from any power source.
- Align the battery with the battery slot on your Black & Decker 12V power tool.
- Slide the battery firmly into the tool until it clicks securely into place. Ensure the battery release button is fully engaged.

Image: Top view of the battery, highlighting the red release button. This button must be pressed to remove the battery from the tool or charger.
Operating Instructions
1. General Use
Once installed, your power tool is ready for use. Operate the tool according to its specific instruction manual. The battery provides 12V power for cordless operation.
2. Charging the Battery
- Remove the battery from the power tool by pressing the release button and sliding it out.
- Insert the battery into a compatible Black & Decker 12V NiCD battery charger. Ensure proper alignment of the terminals.
- Connect the charger to a standard power outlet. Follow the charger's instructions for charging indicators (e.g., LED lights).
- Allow the battery to charge fully. Charging times can vary depending on the charger model and the battery's discharge level.
- Once charged, disconnect the charger from the power outlet and remove the battery.

Image: Side view of the battery, clearly showing the electrical terminals that connect to the tool or charger.
Maintenance
1. Storage
- Store the battery in a cool, dry place away from direct sunlight and extreme temperatures.
- For long-term storage, it is recommended to store NiCD batteries in a discharged state.
- Keep the battery away from metal objects that could short-circuit the terminals.
2. Cleaning
Wipe the battery casing with a clean, dry cloth. Do not use solvents or abrasive cleaners. Keep the battery terminals clean and free of debris to ensure good electrical contact.
3. Battery Care Tips
- To maximize the lifespan of NiCD batteries, it is often recommended to fully discharge them before recharging to prevent the "memory effect."
- Avoid overcharging or leaving the battery on the charger for extended periods after it is fully charged, unless your charger has a maintenance mode.
- If the battery becomes excessively hot during use or charging, discontinue use and allow it to cool down before proceeding.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging |
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| Short run time after charging |
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| Battery does not fit tool/charger |
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Specifications
- Brand: Upstart Battery
- Model Number: 12V
- Battery Chemistry: Nickel-Cadmium (NiCD)
- Voltage: 12V
- Capacity: 1300mAh (1.3Ah)
- Reusability: Rechargeable
- UPC: 628586033504
Warranty and Support
For warranty information or technical support, please refer to the Upstart Battery official website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
Note: This manual is for informational purposes. Always refer to the specific instructions provided with your Black & Decker power tool and charger for detailed operational guidelines.