Introduction
This manual provides essential information for the safe and effective use of your ExpertPower 18 Volt NiCd replacement battery. Please read these instructions carefully before use and retain them for future reference. This product is an aftermarket replacement battery and is not an OEM Milwaukee product. It is designed to be compatible with original OEM chargers that support NiCd chemistry.
Safety Instructions
- Do not disassemble, open, or shred battery packs.
- Do not expose batteries to heat or fire. Avoid storage in direct sunlight.
- Do not short-circuit a battery pack. Do not store battery packs indiscriminately in a box or drawer where they may short-circuit each other or be short-circuited by other metal objects.
- Do not remove a battery pack from its original packaging until required for use.
- 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.
- Do not use any charger other than that specifically provided for use with the equipment.
- Observe the plus (+) and minus (-) marks on the battery and equipment and ensure correct use.
- Keep battery packs out of the reach of children.
- Seek medical advice immediately if a battery pack has been swallowed.
- Always purchase the correct battery pack for the equipment.
- Keep battery packs clean and dry.
- Wipe the battery pack terminals with a clean dry cloth if they become dirty.
- Recharge battery packs before use. Always refer to this instruction manual for proper charging instructions.
- Do not maintain battery packs on charge when not in use.
- After extended periods of storage, it may be necessary to charge and discharge the battery pack several times to obtain maximum performance.
- Retain the original product literature for future reference.
- Use only in the application for which it was intended.
- When possible, remove the battery pack from the equipment when not in use.
- Dispose of properly.
Product Overview
The ExpertPower 18 Volt NiCd replacement battery is designed to provide reliable power for your compatible Milwaukee 18V power tools. This battery features NiCd cell technology, offering consistent performance and durability.

Image: Two ExpertPower 18 Volt NiCd replacement batteries. These batteries are black, rectangular, and feature a red label with "18 VOLT" clearly visible on the side. They are designed to slide into compatible power tools and chargers.
Key Features:
- Voltage: 18 Volts
- Battery Cell Type: NiCd (Nickel-Cadmium)
- Capacity: 2000 Milliampere Hour (mAh)
- Compatibility: Designed for various Milwaukee 18V power tools (see compatible models list).
- Protection: Features overcharge and over-discharge protection.
- Memory Effect: NiCd batteries can exhibit memory effect; proper charging practices are recommended.
Compatible Models
This ExpertPower 18 Volt NiCd replacement battery is compatible with the following Milwaukee 18V power tools and original OEM chargers that support NiCd chemistry:
- 0521-20
- 0521-21
- 0521-22
- 0522-20
- 0522-21
- 0522-22
- 0522-24
- 0522-25
- 0522-52
- 0523-20
- 0523-22
- 0524-20
- 0524-22
- 0524-24
- 0524-52
- 0622-20
- 0622-24
- 0624-20
- 0624-24
- 0625-20
- 0625-24
- 0627-20
- 0627-24
- 0628-24
- 0629-24
- 0780-20
- 0880-20
- 0901-24
- 0901-28
- 0902-24
- 0902-28
- 0903-28
- 0904-28
- 0912-29
- 0922-23
- 0923-25
- 0923-29
- 1109-20
- 1109-21
- 1109-24
- 1109-52
- 3109-21
- 3109-24
- 5361-20
- 5361-21
- 5361-24
- 5361-52
- 6310-20
- 6310-22
- 6320-20
- 6320-21
- 6320-22
- 6320-24
- 6514-20
- 6514-21
- 6515-20
- 6515-21
- 6515-22
- 6515-23
- 6515-27
- 6515-52
- 6515-99
- 9078-20
- 9078-22
- 9079-20
- 9079-22
- 9079-23
- 9099-20
- 9099-23
- All 18 Volt Power Plus Driver Drills
- LokTor H18
- LokTor P 18 TX
- LokTor P 18 TXC
- LokTor S 18 PX
- LolTor S 18 TX
- LokTor S 18 TXC
- PIW 18
- PMS 18
- PSH 18
- PSH 18X
Setup and Charging
Initial Charge:
- Upon receiving your new ExpertPower battery, it is recommended to fully charge it before first use.
- Insert the battery into a compatible Milwaukee 18V NiCd charger. Ensure the battery is securely seated.
- Allow the battery to charge until the charger indicates a full charge (refer to your charger's manual for specific indicators).
Installing the Battery:
- Ensure your power tool is turned off and disconnected from any power source.
- Align the battery with the battery slot on your Milwaukee 18V power tool.
- Slide the battery into the tool until it clicks into place, indicating a secure connection.
- To remove, press the battery release button (if present on your tool) and slide the battery out.
Operating Instructions
Once the battery is fully charged and installed in your compatible Milwaukee 18V power tool, the tool is ready for operation according to its own instruction manual. The ExpertPower battery provides 18 volts of power for consistent tool performance.
Battery Usage Tips:
- For optimal performance, avoid completely draining the battery before recharging. NiCd batteries can develop a "memory effect" if repeatedly partially discharged and then recharged.
- If possible, allow the battery to cool down before recharging, especially after heavy use.
- Do not force the battery into the tool or charger. If it does not slide in easily, check for obstructions or incorrect alignment.
Maintenance and Storage
General Maintenance:
- Keep the battery terminals clean. Use a dry cloth to wipe away any dust or debris.
- Inspect the battery for any signs of damage, such as cracks or leaks, before each use. Do not use a damaged battery.
Long-Term Storage:
- For long-term storage, it is best to store NiCd batteries in a cool, dry place at approximately 40% charge.
- Avoid storing batteries in extreme temperatures, either hot or cold, as this can degrade battery life.
- If storing for extended periods, periodically charge the battery to maintain its health.
Disposal:
NiCd batteries contain cadmium, a toxic heavy metal. Do not dispose of these batteries in household waste. Always recycle NiCd batteries at designated recycling centers or through programs that accept rechargeable batteries. Consult your local waste management authority for proper disposal instructions.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging |
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| Battery not powering tool |
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| Reduced run time |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | Q02BTGMW2230_22 |
| Brand | ExpertPower |
| Voltage | 18 Volts |
| Battery Cell Type | NiCd (Nickel-Cadmium) |
| Battery Capacity | 2000 Milliampere Hour (mAh) |
| Item Weight | Approximately 4.02 pounds (for 2-pack) |
| Color | Red/Black |
| Recommended Use | Power Tool |
Warranty and Support
Warranty Information:
ExpertPower offers a 30-Day Money Back Guarantee and a 12-Month Warranty on this product. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, abuse, unauthorized modification, or natural wear and tear.
For warranty claims, please retain your proof of purchase.
Customer Support:
If you have any questions, concerns, or require technical assistance, please contact ExpertPower customer support. Refer to the ExpertPower website or your purchase documentation for current contact information.
You can also visit the ExpertPower Store on Amazon for more information and products.





