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Black rectangular 300W laptop charger with square yellow slim tip connector

FLEANE

FLEANE 300W laptop charger for Legion Pro/Slim 5 7 5i 7i 9i 5P C7 S7 15 16 17 Inch

SKU CH-0QH3-GPH3P

A 300W power adapter with a square yellow slim tip that charges compatible Legion and ThinkPad laptops from 100-240V input

  • TypeCharger
  • 300W output powers demanding Legion laptops
  • 20V 15A delivery supports 170W 230W 245W devices
  • 100-240V 50-60Hz input works worldwide
  • Square yellow slim tip fits listed models
  • Built-in chip adjusts power for safer charging

300W charger for Legion laptops

This 300W AC adapter replaces the original power supply for Legion Pro and Slim series laptops in 15, 16 and 17 inch sizes. It matches the ADL300SDC3A and ADL300SLC3A part numbers used across multiple Legion models including the 16IAX10H, 16IRX9 and R9000P. The square yellow slim-tip connector fits the charging port on supported devices. It suits owners who need a spare or replacement unit for home, office or travel.

Sustained output and thermal behaviour

The adapter delivers a continuous 20V at 15A for a total of 300W and also supports lower-wattage devices rated at 245W, 230W and 170W. An internal chip regulates power based on the laptop’s temperature and battery state, reducing heat during extended charging sessions. Worldwide input of 100-240V at 50-60Hz allows stable operation on any mains supply. Built-in safeguards protect against overcurrent and overheating during prolonged use.

Installation notes and common issues

Connection is straightforward: plug the AC cable into the adapter, insert the slim tip into the laptop and connect to mains power. The yellow square tip must seat fully; a loose fit can cause intermittent charging or no power detection. Users should verify their exact model appears in the compatibility list before purchase, as similar-looking Legion models may use a different connector or wattage. The compact casing packs easily but offers no cable-management clips.

Highlights

  • 300W output powers demanding Legion laptops
  • 20V 15A delivery supports 170W 230W 245W devices
  • 100-240V 50-60Hz input works worldwide
  • Square yellow slim tip fits listed models
  • Built-in chip adjusts power for safer charging

Specifications

TypeCharger

Questions about this item

Does the 300W charger run hot or noisy when powering a Legion Pro 7i with RTX 4070 all day?

The adapter uses heat-resistant materials and a built-in chip that adjusts power to the device temperature and battery status, reducing heat during continuous use.

What connector must my Legion laptop already have for this square yellow slim tip to fit?

The power jack on the laptop must accept a square yellow slim tip; this is the connector type supplied with the 300W adapter.

Will this 300W unit safely charge an older Legion Y7000P that originally used a 170W supply?

Yes, the output is rated 20V/15A at 300W and also works with 245W, 230W and 170W devices, so it will charge the Y7000P safely.

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