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Duracell Rechargeable Battery - 9V

Not AvailableDuracell Rechargeable Battery - 9V
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Duracell PP3 / HR22 rechargeable batteries can be recharged up to 1000 times. With a high capacity...

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For users seeking a reliable and eco-friendly power solution for their 9V devices, the Duracell Rechargeable 9V 170 mAh battery offers significant long-term value. This single-pack rechargeable battery can be reused up to 1000 times, providing consistent power for demanding applications like smoke alarms, wireless microphones, and acoustic guitars. While it offers substantial savings and reduces waste over time, users will need a compatible Ni-MH charger (sold separately) to utilize its full potential.

All features

ColourGreen
Model Part NumberHR9V
BrandDuracell

Extended Product Information

FAQs

How many times can I recharge this Duracell 9V battery?

This Duracell 9V battery can be recharged up to 1000 times, offering excellent long-term value and reducing waste.

Do I need a special charger for this battery?

Yes, you must use a charger specifically designed for Ni-MH (Nickel-Metal Hydride) rechargeable batteries, particularly one compatible with 9V (PP3/HR22) size.

Are these batteries pre-charged and ready to use?

Yes, these Duracell Rechargeable 9V batteries come pre-charged, allowing for immediate use right out of the package.

What devices are these batteries most suitable for?

They are ideal for high-drain and frequently used devices such as smoke alarms, wireless microphones, electro acoustic guitars, and portable radios, providing consistent and reliable power.

What is the nominal voltage of this 9V battery?

While commonly referred to as a 9V battery, the nominal voltage for this Ni-MH type is 8.4V. This is standard for rechargeable 9V Ni-MH batteries and is compatible with devices requiring a 9V power source.

How should I dispose of old rechargeable batteries?

Do not dispose of rechargeable batteries in regular household waste. They contain recyclable materials and should be taken to a designated battery recycling center or collection point in your community.

Troubleshooting

Battery not holding a charge or losing charge quickly.

Ensure you are using a proper Ni-MH charger; check if the charger is functioning correctly. Consider the battery's age and number of cycles. If the battery is very old or has been recharged hundreds of times, its capacity may naturally degrade. Try a full discharge and then a full recharge cycle.

Device is not turning on or functions intermittently with a charged battery.

Verify that the battery is inserted with the correct polarity (+/-). Check the battery contacts in your device and on the battery for dirt or corrosion; gently clean if necessary. Ensure the battery is fully charged. If the problem persists, the issue might be with the device itself rather than the battery.

Battery feels excessively hot during charging.

It's normal for Ni-MH batteries to feel slightly warm during charging, but excessive heat indicates a problem. Immediately disconnect the battery from the charger. Ensure you are using a charger specifically designed for Ni-MH batteries and that it is not faulty. Do not attempt to charge a visibly damaged or swollen battery.

Pros and Cons

Pros

  • Cost-Effective Long-Term: Recharging up to 1000 times offers substantial savings compared to continually purchasing disposable 9V batteries.
  • Environmentally Friendly: Reduces landfill waste by minimizing the number of discarded batteries.
  • Consistent Power Output: Ni-MH technology provides stable voltage throughout the discharge cycle, ensuring reliable device performance.
  • Convenient Pre-charged State: Ready to use immediately upon purchase.
  • Suitable for High-Drain Devices: The 170 mAh capacity is well-suited for devices that require sustained power.

Cons

  • Initial Investment: Rechargeable batteries typically have a higher upfront cost than disposables.
  • Requires a Compatible Charger: A separate Ni-MH specific charger is necessary for recharging, which may be an additional purchase for some users.
  • Single Pack: Sold individually, users needing multiple batteries will need to purchase several packs.
  • Voltage Consideration: While often called 9V, the nominal voltage for Ni-MH 9V batteries is 8.4V, which is standard for this type but users should be aware.

Setup, Compatibility & Care

Setup

  1. Initial Use: The battery comes pre-charged and is ready for immediate use. Simply insert it into your compatible device.
  2. Charging: When the battery eventually depletes, insert it into a Ni-MH compatible 9V battery charger. Ensure correct polarity (positive and negative terminals aligned).
  3. Charging Time: Charging time will vary based on your charger's output current. Refer to your charger's manual for specific guidelines.
  4. First Recharge Cycle: For optimal performance and longevity, it's recommended to fully discharge the battery before its first recharge after initial use.

Compatibility

  • Devices: This battery is designed for all devices requiring a standard 9-volt (PP3 / HR22) battery. This includes, but is not limited to, smoke alarms, carbon monoxide detectors, multimeters, wireless microphones, guitar pedals, and remote control toys.
  • Chargers: Only use chargers specifically designed for Ni-MH rechargeable batteries, and ideally, those rated for 9V (PP3/HR22) Ni-MH batteries. Using an incompatible charger can damage the battery or pose a safety risk.

Care

  • Storage: Store batteries in a cool, dry place away from direct sunlight and extreme temperatures. A temperature range of 20°C to 25°C (68°F to 77°F) is ideal. Do not store with metallic objects to prevent short-circuiting.
  • Charging Practices: Avoid overcharging or deep discharging the battery frequently, as this can reduce its overall lifespan. Some modern Ni-MH chargers have intelligent cut-off features to prevent overcharging.
  • Cleaning: If terminals appear dirty, gently wipe them with a clean, dry cloth to ensure good electrical contact.
  • Disposal: When the battery eventually reaches the end of its life, do not dispose of it in household trash. Rechargeable batteries contain materials that should be recycled. Look for designated battery recycling drop-off points in your area.