1. Product Overview
Energizer Recharge Universal Rechargeable D Batteries are designed to provide reliable power for various devices while offering environmental benefits. These D rechargeable batteries utilize advanced technology to deliver consistent performance and are engineered to prevent damaging leaks. They are suitable for use in a wide range of battery-powered items.
- Each battery can be charged hundreds of times, offering long-term value.
- A charged battery can retain its power for up to 12 months in storage.
- Extended Life Composition ensures up to a 3-year usable battery life under typical usage patterns.
- Ideal for high-drain devices such as toys, portable stereos, and flashlights.

2. Initial Setup and Charging
Before first use, it is recommended to fully charge your Energizer Recharge Universal D batteries. Use only a compatible NiMH battery charger. Refer to your charger's instruction manual for specific charging procedures.
- Insert batteries into the charger according to the polarity indicators (+/-).
- Ensure proper contact between the battery terminals and the charger contacts.
- Charging times may vary depending on the charger model and battery discharge level.
- Once charging is complete, remove batteries from the charger.

3. Usage Guidelines
Energizer Recharge Universal D batteries are designed for a wide array of electronic devices. Always ensure correct battery orientation when inserting them into a device.
- Match the positive (+) and negative (-) terminals of the battery with the corresponding markings in your device's battery compartment.
- Do not mix new and used batteries, or different types/brands of batteries.
- Remove batteries from devices that will not be used for extended periods.

4. Maintenance and Storage
Proper maintenance and storage can significantly extend the life and performance of your rechargeable D batteries.
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid storing batteries with metal objects to prevent short-circuiting.
- For long-term storage, it is advisable to store batteries with a partial charge (around 50%).
- Periodically recharge batteries that are in storage to maintain their charge and health.
- Clean battery contacts with a dry cloth if they become dirty to ensure good electrical connection.

5. Troubleshooting Common Issues
If you encounter issues with your Energizer Recharge Universal D batteries, consider the following:
- Device Not Powering On: Ensure batteries are inserted with correct polarity. Check if batteries are fully charged. Test batteries in another device or with a battery tester.
- Shortened Run Time: Batteries may not be fully charged, or their overall lifespan might be nearing its end. Ensure your charger is functioning correctly.
- Batteries Not Charging: Verify that the charger is plugged in and functioning. Check for proper battery insertion and clean contacts. If the issue persists, the charger or batteries may be faulty.
- Overheating During Charge: It is normal for batteries to become slightly warm during charging. However, if they become excessively hot, discontinue charging immediately and consult your charger's manual or contact customer support.
6. Technical Specifications
| Specification | Detail |
|---|---|
| Brand | Energizer |
| Model Number | NH50BP-2 |
| Battery Cell Composition | NiMH (Nickel-Metal Hydride) |
| Battery Capacity | 2500 Milliamp Hours (mAh) |
| Battery Size | D |
| Number of Batteries | 2 (required) |
| Item Weight | 2.57 ounces |
| Product Dimensions | 1.3 x 3.7 x 4.3 inches |
| Recommended Uses | Digital devices |
7. Important Safety Information
Please read and follow all safety instructions to prevent injury or damage.
- WARNING: Charge only with standard household nickel metal hydride battery chargers. Do not open battery, dispose of in fire, put in backward, mix with used or other battery types, or short circuit - may ignite, explode, leak or get hot causing injury.
- Keep batteries out of reach of children.
- Do not expose batteries to water or extreme heat.
- If a battery leaks, avoid contact with the fluid. If contact occurs, wash thoroughly with soap and water. If irritation persists, seek medical attention.
- Dispose of used batteries responsibly according to local regulations.

8. Warranty and Customer Support
This product is manufactured by Energizer. Warranty does not cover misuse of the product. For further assistance or inquiries, please visit the official Energizer website or contact their customer support.
You can explore more Energizer products and information at the Energizer Brand Store.







