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Black rectangular AC adapter with round 4.0mm barrel connector and integrated power cord

GCROWN

GCROWN 65W 20V 3.25A AC adapter laptop charger

SKU CH-CJ30-734MH

65W 20V 3.25A AC adapter with 4.0mm × 1.7mm round tip for Lenovo IdeaPad, Flex, Yoga and Chromebook models

  • Battery TypeLithium-Ion
  • Delivers 65 W at 20 V 3.25 A for fast charging
  • Works with 45 W 20 V 2.25 A models for flexible replacement
  • 0 mm × 1.7 mm round tip fits listed Lenovo IdeaPad, Yoga, Flex and Chromebook models
  • CE, FCC and RoHS certified with PTC, over-voltage, over-current, over-temperature and short-circuit protection
  • 100–240 V 50–60 Hz input supports worldwide use

65W 20V AC adapter for Lenovo IdeaPad

This 65 watt power supply delivers 20 volts at 3.25 amps and accepts 100 to 240 volt input at 50 to 60 hertz. It replaces Lenovo part numbers such as ADLX65CLGC2A and PA-1450-55LI. The round tip connector measures 4.0 by 1.7 millimetres. Buyers whose laptops require a different voltage or tip size cannot use this unit.

Built-in protection circuits and certification

The adapter carries CE, FCC and RoHS marks and includes over-voltage, over-current, over-temperature, short-circuit and over-discharge safeguards. These circuits cut power automatically when a fault is detected. No extra software or drivers are bundled with the charger.

Simple plug-in replacement with one fit check

Installation consists of connecting the barrel plug to the laptop and the mains lead to a wall socket. The most common issue is ordering the wrong tip; the 4.0 by 1.7 millimetre round connector does not fit models such as the 100S-11IBY or N23 Yoga. Verify the laptop's required connector before purchase.

Highlights

  • Delivers 65 W at 20 V 3.25 A for fast charging
  • Works with 45 W 20 V 2.25 A models for flexible replacement
  • 0 mm × 1.7 mm round tip fits listed Lenovo IdeaPad, Yoga, Flex and Chromebook models
  • CE, FCC and RoHS certified with PTC, over-voltage, over-current, over-temperature and short-circuit protection
  • 100–240 V 50–60 Hz input supports worldwide use

Specifications

Battery TypeLithium-Ion

Questions about this item

Will the 4.0 mm × 1.7 mm round tip wear out and need replacing?

The tip is a fixed part of the 65 W 20 V 3.25 A cable assembly; if it becomes loose or damaged the whole adapter is replaced rather than the tip alone.

What limits continuous output when the charger runs at 65 W for hours?

The 20 V 3.25 A rating is the sustained maximum; internal over-temperature and over-current protection will throttle or shut down the unit if that limit is exceeded.

How hot or noisy does the brick get during all-day use?

The adapter is fanless and relies on passive cooling; it warms under full 65 W load but stays within CE/FCC/RoHS thermal limits and produces no audible noise.

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