Introduction
This manual provides essential instructions for the safe and effective use of your HQRP 3.6V 2500mAh Ni-Mh replacement battery. This battery is designed for compatibility with Craftsman 73904 Flashlights, AA1800mAh, AA2500mAh JC1P-NM3618, and Craftsman 35 LED Rechargeable Work Lights. Please read this manual thoroughly before installation and operation.
Safety Information
Observe the following safety precautions to prevent injury or damage to the battery and device:
- Do not attempt to open or disassemble the battery pack.
- Do not crush, puncture, or short circuit external contacts.
- Do not dispose of the battery in fire or water.
- Do not expose the battery to temperatures above 60°C (140°F).
- Replace only with the battery pack specifically designed for your product.
- Keep batteries out of reach of children.

Image: HQRP Ni-MH Battery showing product label and safety warnings.
Product Overview
The HQRP replacement battery is a Ni-Mh type with a voltage of 3.6V and a capacity of 2500 mAh. It is engineered for durability, providing consistent power output and a long lifespan for your compatible devices. This rechargeable battery is designed to withstand regular use, ensuring reliable performance.

Image: Diagram illustrating HQRP battery features including high quality cells, safety, and stable performance.
Setup (Installation)
- Power Off Device: Ensure the flashlight or work light is completely powered off before beginning installation.
- Locate Battery Compartment: Identify and open the battery compartment on your Craftsman device. Refer to your device's original manual if you are unsure of its location.
- Remove Old Battery: Carefully disconnect and remove the old battery pack.
- Insert New Battery: Connect the HQRP replacement battery, ensuring the connector is properly aligned and securely seated. Place the battery pack into the compartment.
- Close Compartment: Securely close the battery compartment.
- Initial Charge: For optimal performance, fully charge the battery before its first use.

Image: Angled view of the HQRP Ni-MH battery, showing the wiring and connector for installation.
Operating (Usage)
- Compatibility: Use this battery only with devices specified as compatible (Craftsman 73904 Flashlight, AA1800mAh, AA2500mAh JC1P-NM3618, 35 LED Rechargeable Work Light).
- Charging: Recharge the battery when your device indicates low power. Avoid letting the battery completely discharge frequently, as this can reduce its overall lifespan.
- Temperature: Operate the battery within recommended temperature ranges, typically between 0°C and 45°C (32°F and 113°F).
Maintenance
- Charging: Use only a compatible charger designed for Ni-Mh batteries. Do not overcharge the battery.
- 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.
- Cleaning: Periodically inspect and clean the battery contacts with a dry cloth to ensure good electrical connection.
Troubleshooting
- Device Not Powering On:
- Ensure the battery is fully charged.
- Verify the battery is correctly inserted into the device's compartment with proper polarity.
- Check for any loose connections or debris on the battery contacts.
- Battery Not Charging:
- Confirm the charger is functioning correctly and is compatible with Ni-Mh batteries.
- Ensure the battery is properly connected to the charger.
- Check for any damage to the battery or charger cables.
- Reduced Run Time:
- The battery may require several charge/discharge cycles to reach full capacity.
- Ensure the battery is being fully charged each time.
- Battery lifespan naturally decreases over time and with usage.
Specifications
| Brand | HQRP |
| Battery Type | NiMH |
| Voltage | 3.6 Volts (DC) |
| Capacity | 2500 mAh |
| Model Number | 887774412112498 |
| UPC | 887774434886 |
| ASIN | B0DQ5NPZZT |
| Item Weight | 0.23 Pounds |
| Number of Batteries | 1 (included) |
Warranty Information
Specific warranty details for this HQRP battery are not provided in this manual. For information regarding warranty coverage, terms, and conditions, please refer to the product packaging or contact the seller directly.
Support
If you encounter any issues or have questions not covered in this manual, please contact the seller or manufacturer for assistance. Ensure you have your product model number (887774412112498) and purchase details available when seeking support.

