Key Features

• USB Powered Convenience: Plug into any available USB port—whether it’s a wall adapter, power bank, laptop, or car charger—for effortless power on the go.

• 4 AA Batteries Included: Ready to use right out of the box with four pre-packaged 400mAh AA rechargeable batteries.

• Dual Compatibility: Versatile charging slots designed to fit 1 to 4 pieces of either AA or AAA rechargeable batteries.

• LED Status Indicators: Features dedicated LED lights for each slot to show active charging status.

• Smart Protection: Built-in safety mechanisms protect against overcharge, overcurrent, and short circuits to ensure a safe and reliable charge every time.

Technical Specifications

Estimated Charging Reference Time

Because this charger utilizes a steady, safe charging current, the time required depends entirely on the capacity ($mAh$) of the batteries you insert:

• AA Ni-MH (400mAh): ~3.2 Hours (Included Batteries)

• AAA Ni-MH (800mAh): ~6.5 Hours

• AA Ni-MH (1500mAh): ~12 Hours

• AA Ni-MH (2200mAh): ~17 Hours

⚠️ Important Note on LED Behavior: The charging indicator LEDs show active charging status but will not turn off automatically when the batteries are fully charged. Please refer to the charging guide table above to estimate when your batteries are ready.

Safety & Usage Instructions

• Battery Compatibility: Use only with Ni-MH or Ni-Cd rechargeable batteries in AA or AAA sizes. Attempting to charge alkaline or other non-rechargeable batteries may cause an explosion, leakage, personal injury, or property damage.

• Indoor Use Only: Keep the charger dry. Do not expose the unit to direct sunshine, rain, or moisture.

• Supervision: Keep out of reach of children. Children should only use this device under direct adult supervision.

• Maintenance: Do not attempt to disassemble or reassemble the unit yourself; any servicing should be handled by a professional.