9V Battery charger

Key Features

• Independent Charging Slots

  • Supports 1 to 4 batteries charging independently

  • Compatible with 9V Li-ion / Ni-MH / Ni-CD rechargeable batteries

  • No need to charge in pairs

• LED Charging Status Display

  • LED ON: Charging

  • LED OFF: Charging complete

  • Auto shut-off to prevent overcharging or overheating

• Smart MCU Control

  • Delivers constant current and constant voltage (CC/CV)

  • Intelligent charging termination at 8.1V

  • LEDs dim gradually as charging nears completion for intuitive monitoring

• Battery Compatibility & Performance

  • Works seamlessly with 9V 6F22 rechargeable batteries

  • Ideal for use in smoke alarms, wireless microphones, professional audio equipment, and medical devices

• Low Self-Discharge Technology

  • Retains up to 75% of capacity after 3 years of non-use

  • Comes pre-charged and ready to use

• No Memory Effect

  • Batteries can be recharged at any time without reducing capacity or performance

Specifications

• Input: USB (standard 5V power source compatible)

• Output (per slot): Constant Current / Constant Voltage

• Charging Channels: 4 independent slots

• Battery Types Supported:

  • 9V Li-ion

  • 9V Ni-MH

  • 9V Ni-CD

• Charging Cut-Off Voltage: ~8.1V

• LED Indicator Behavior:

  • ON (Red): Charging

  • OFF: Fully Charged