Universal Car Charger for Laptop 120W (CPT45S)

Main Specifications

• Power Output: 120W max
• Input Voltage (Home): AC 110–240V
• Input Voltage (Car): DC 12–24V
• Output Voltage Options: 15V / 16V / 18V / 19V / 20V / 22V / 24V
• Current Output:
  • 15–19V → up to 5.5A
  • 20–24V → up to 4A
• USB Output: 5V USB charging port
• Laptop Tips: Usually 8–34 interchangeable tips
• Protection Features:
  • Overload protection
  • Short-circuit protection
  • Over-voltage protection
  • Over-temperature protection
• Efficiency: Up to 90% on premium models

Compatibility

Usually supports:

• Acer
• Asus
• Lenovo
• HP
• Dell
• Toshiba
• Samsung
• Sony VAIO
• Fujitsu
• Compaq

Some older Dell and Lenovo models may need a specific smart-pin adapter.

Important before buying

Check these 3 things:

1. Your laptop voltage (usually 19V or 19.5V)
2. Required wattage
3. Connector tip size

Example:

• Laptop charger says 19V 4.74A
• Required power =
  $P=VI$
  ≈ 90W, so a 120W charger is enough.

If your laptop needs 180W or more (gaming laptops), a 120W car charger may charge slowly or not keep up under heavy use.