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Black rectangular laptop charger with 11x5mm barrel connector and detachable power cord

NShi

NShi ADL300SDC3A 300W 20V 15A laptop replacement part

SKU CH-1XZS-MTP7N

300 W, 20 V / 15 A AC adapter with 11 × 5 mm plug for Lenovo ThinkPad R9000P, R9000K, Y9000K and Y9000X models

  • Delivers 300W at 20V 15A for demanding gaming workloads
  • 11x5mm plug fits Lenovo ThinkPad R9000P R9000K Y9000K Y9000X
  • 100-240V 50-60Hz input works worldwide without a converter
  • Includes AC adapter and power cord for immediate setup
  • New condition ensures full rated performance from first use

Compatible Lenovo ThinkPad models

This 300W AC adapter replaces the original Lenovo part numbers ADL300SDC3A, SA10R16956 and 5A10W86289. It fits ThinkPad R9000P, 9000K, Y9000K and Y9000X gaming laptops. The unit delivers 20V at 15A through an 11x5mm plug. Input voltage ranges from 100V to 240V at 50Hz to 60Hz for worldwide use.

Upgrading from lower-wattage adapters

Owners using a 180W or smaller charger will gain the full 300W needed for peak GPU and CPU loads. The jump is worth it when the original adapter cannot sustain performance during heavy gaming or rendering. An undersized supply causes throttling or shutdown under load. This replacement restores the power budget the laptop was designed for.

300W headroom for demanding workloads

The 300W output comfortably handles simultaneous CPU and GPU maximum turbo clocks. It also supports connected peripherals drawing power through the laptop ports. Headroom runs out if the system is modified to draw significantly more than the factory 300W specification. Buyers needing power for external GPU enclosures or heavily overclocked configurations should verify total system draw before purchasing.

How it compares

Measured against everything we stock in Laptop Repair Parts, at today’s prices. Recalculated every night.

Price $109.99
Pricier than about 91% of the 1,151 comparable items (median $33.99).

Specifications

No published specifications for this item yet.

Questions about this item

What plug size does the ADL300SDC3A use to connect to the laptop?

The adapter uses an 11x5 mm barrel connector that fits the Lenovo ThinkPad R9000P, R9000K, Y9000K and Y9000X models listed.

Which step is most often missed when installing this 300 W charger?

Connect the supplied AC power cord to the brick first, then plug the barrel tip firmly into the laptop before switching on the mains socket.

What part will need replacement first on a 20 V 15 A adapter like this?

The detachable AC power cord usually wears out before the brick; keep a spare C5 cable handy for when the insulation cracks or the connector loosens.

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