Tenergy Premium PRO 2800mAh NiMH AA Rechargeable Batteries

1. Introduction

This manual provides essential information for the safe and effective use of your Tenergy Premium PRO 2800mAh NiMH AA Rechargeable Batteries. Please read these instructions carefully before first use and retain them for future reference.

The Tenergy Premium PRO AA batteries are high-capacity, nickel-metal hydride (NiMH) rechargeable batteries designed for various electronic devices. They offer a reliable and environmentally friendly power solution.

2. Product Features

• High Capacity: 2800mAh for extended device operation.
• Reusability: Can be recharged up to 1,200 times, reducing waste.
• Wide Temperature Range: Operates effectively in temperatures from -4°F to 122°F.
• Low Self-Discharge: Retains approximately 85% capacity after one year in storage.
• Advanced No Leak Design: Enhanced safety and reliability.
• Pre-charged: Ready to use out of the box at approximately 80% charge.

Image: Four Tenergy Premium PRO 2800mAh NiMH AA rechargeable batteries.

3. Setup and First Use

3.1 Initial Charging

Although Tenergy Premium PRO batteries are pre-charged to approximately 80% capacity, it is recommended to fully charge them before their first use to optimize performance and battery life.

1. Insert the batteries into a compatible NiMH battery charger. Ensure correct polarity (+ and - terminals).
2. Connect the charger to a power source.
3. Allow the batteries to charge until the charger indicates a full charge. Charging times vary depending on the charger model and battery capacity.
4. Once fully charged, remove the batteries from the charger.

Image: Tenergy Premium PRO batteries are 80% precharged for immediate use.

4. Operating Instructions

4.1 Inserting Batteries into Devices

1. Ensure the device is turned off before inserting or removing batteries.
2. Open the battery compartment of your electronic device.
3. Match the positive (+) and negative (-) terminals of the battery with the corresponding markings inside the device's battery compartment.
4. Insert the batteries firmly.
5. Close the battery compartment securely.

4.2 Usage Tips

• Always use a compatible NiMH charger for recharging.
• Do not mix Tenergy Premium PRO batteries with other battery types (e.g., alkaline, lithium) or brands.
• Do not mix new and old batteries.
• For optimal performance in high-drain devices, ensure batteries are fully charged.

Image: Tenergy Premium PRO batteries are designed for high-drain devices.

5. Maintenance and Storage

5.1 Charging Practices

• Avoid overcharging or deep discharging the batteries, as this can reduce their lifespan.
• Use a smart charger that can detect full charge and prevent overcharging.

5.2 Storage

• Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
• For long-term storage, it is recommended to store NiMH batteries at approximately 50% charge.
• Keep batteries in their original packaging or a battery case to prevent short circuits.
• Tenergy Premium PRO batteries retain approximately 85% of their capacity after one year of storage.

Image: The 2800mAh capacity provides ultra energy density.

5.3 Disposal

NiMH batteries are recyclable. Do not dispose of them in household waste. Please follow local regulations for proper battery recycling.

6. Troubleshooting

• Batteries not charging:
  • Ensure batteries are inserted correctly into the charger with correct polarity.
  • Verify the charger is properly connected to a power source.
  • Check if the charger is compatible with NiMH batteries.
  • Inspect batteries for physical damage.
• Short operating time after full charge:
  • The device may be high-drain, consuming power quickly.
  • Batteries may be nearing the end of their lifespan (rated for up to 1,200 cycles).
  • Ensure the charger is fully charging the batteries.
• Batteries getting hot during charging/use:
  • Some warmth during charging is normal. Excessive heat may indicate a faulty battery or charger. Discontinue use if batteries become excessively hot.
  • Ensure proper ventilation around the charger.

7. Specifications

Image: Tenergy Premium PRO batteries are designed for use in wide temperature ranges.

8. Safety Information

• Do not expose batteries to fire or extreme heat.
• Do not short-circuit batteries.
• Do not disassemble, crush, or puncture batteries.
• Keep batteries out of reach of children.
• If battery fluid leaks and comes into contact with skin or eyes, rinse immediately with plenty of water and seek medical attention.

Image: Tenergy Premium PRO batteries feature an advanced no-leak design and are recyclable.

9. Warranty and Support

Tenergy Premium PRO NiMH AA Rechargeable Batteries include a 12-month warranty from the date of purchase. This warranty covers manufacturing defects under normal use.

For warranty claims, technical support, or further inquiries, please contact Tenergy customer service. You can find more information and contact details on the official Tenergy website or through the retailer where the product was purchased.

Return Policy: Products are eligible for return within 30 days of purchase for refund or replacement, subject to retailer's terms.

Visit the Tenergy Store for additional products and support.