iMah Ryme B46
iMah Ryme B46 6-Cell 7.2V AAA700mAh Ni-MH Rechargeable Battery Pack Instruction Manual
This manual provides detailed instructions for the iMah Ryme B46 6-Cell 7.2V AAA700mAh Ni-MH Rechargeable Battery Pack, compatible with Black&Decker FL3WBD Flashlight, TMK Light, and Stanley FatMax FL5W10.
1. Product Overview
The iMah Ryme B46 is a 6-cell, 7.2V, 700mAh Nickel-Metal Hydride (Ni-MH) rechargeable battery pack designed as a replacement for compatible flashlights and lights. It is engineered to provide performance comparable to original battery packs when new.
Key Features:
- Battery Type: 6-cell AAA Ni-MH 700mAh.
- Voltage: 7.2V.
- Connector: 4-Pin plug.
- Compatibility: Specifically designed for BLACK&DECKER FL3WBD Flashlight, TMK Light, and Stanley FatMax FL5W10.
- Quality: Features UL listed (E316286) 22 AWG cord wires for safety and reliability.

Figure 1: iMah Ryme B46 Rechargeable Battery Pack with 4-Pin connector.
2. Specifications
| Feature | Detail |
|---|---|
| Model Number | Ryme B46 |
| Battery Cell Composition | NiMH (Nickel-Metal Hydride) |
| Number of Cells | 6 AAA batteries (included) |
| Voltage | 7.2V |
| Battery Capacity | 700 Milliamp Hours (mAh) |
| Connector Type | 4-Pin Plug |
| Package Dimensions | 2.28 x 1.42 x 1.26 inches |
| Item Weight | 2.39 ounces |
| Manufacturer | iMahDirect |
| Recommended Uses | Black&Decker FL3WBD Flashlight, Stanley FatMax FL5W10 |
3. Setup and Installation
This battery pack is designed as a direct replacement for specific flashlight models. Installation typically involves replacing the existing battery within your device. Please refer to your device's original instruction manual for specific disassembly and reassembly procedures.
- Safety First: Ensure your device is turned off and unplugged from any power source before beginning installation.
- Access Battery Compartment: Locate and open the battery compartment of your flashlight. This may require removing screws or clips. (Note: Some users report that disassembly and reassembly can be complex, requiring careful attention to screws and components.)
- Remove Old Battery: Carefully disconnect the old battery pack's 4-Pin connector and remove it from the compartment.
- Install New Battery: Connect the 4-Pin plug of the iMah Ryme B46 battery pack to the corresponding port in your device. Ensure the connection is secure.
- Position Battery: Place the new battery pack securely within the compartment.
- Close Compartment: Close the battery compartment, ensuring all screws or clips are re-secured.
- Initial Charge: It is recommended to fully charge the new battery pack before its first use.

Figure 2: Close-up of the iMah Ryme B46 battery pack, showing the 4-Pin connector.
4. Operating Instructions
Once installed, the iMah Ryme B46 battery pack powers your compatible device. Refer to your device's manual for specific operation (e.g., turning on/off, mode selection).
Charging the Battery Pack:
- Use the charger provided with your original device or a compatible Ni-MH battery charger.
- Connect the charger to your device's charging port.
- Plug the charger into a suitable power outlet.
- Allow the battery to charge fully. Charging times may vary depending on the charger and the battery's discharge level.
- Disconnect the charger once charging is complete.
Note: This battery pack is designed to provide the same working time as your original 7.2V 700mAh battery pack when it was new.
5. Maintenance
- Regular Charging: For optimal performance and longevity, fully charge the battery after each use and avoid deep discharges.
- Storage: If storing the battery for an extended period, charge it to about 50% capacity and store in a cool, dry place. Recharge every 3-6 months to prevent over-discharge.
- Cleaning: Keep the battery contacts and compartment clean and free of dust or debris. Use a dry cloth for cleaning.
- Avoid Extreme Temperatures: Do not expose the battery to extreme heat or cold, as this can degrade performance and shorten lifespan.
- Disposal: Dispose of old or damaged batteries according to local regulations. Ni-MH batteries are recyclable.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not turning on after battery installation. | Battery not properly connected or not charged. | Ensure the 4-Pin connector is securely attached. Fully charge the battery pack. |
| Battery not holding a charge or short run time. | Battery not fully charged, aging battery, or charger issue. | Ensure full charge. If the battery is old, its capacity may naturally decrease. Test with a different compatible charger if available. |
| Battery pack feels hot during charging or use. | Normal for some warmth, but excessive heat indicates a problem. | Immediately disconnect the battery and charger. Do not use if excessively hot. Contact support if the issue persists. |
7. Warranty and Support
iMah offers a 1-year free replacement warranty and lifetime free-updates service for this product. For any inquiries or support, please contact iMah customer service. They guarantee 24-hour email support.
Please ensure to check the compatible Voltage, Cell type, and Connector for the best fit before purchase.
8. Official Product Videos
The following videos are provided by the seller and demonstrate features or usage of compatible products. While these videos may feature flashlights, the iMah Ryme B46 battery pack is the replacement component.
GOODSMANN 4500 Lumen Waterproof Spotlight with Carrying Case
This video showcases the GOODSMANN 4500 Lumen Waterproof Spotlight, demonstrating its brightness, waterproof capabilities, and included carrying case. This spotlight is compatible with the iMah Ryme B46 battery pack.
GOODSMANN 4500 Lumens Submersible LED Spotlight
This video highlights the submersible features and powerful illumination of the GOODSMANN 4500 Lumens LED Spotlight, which uses a compatible battery type.
GOODSMANN 2000 Lumen Waterproof Spotlight
A demonstration of the GOODSMANN 2000 Lumen Waterproof Spotlight, showcasing its durability and light output in various conditions. This device is compatible with the iMah Ryme B46 battery pack.
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