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Black rectangular laptop AC adapter with barrel connector and power cord

AddOn

AddOn 55Y9317-AA 135W 20V 6.75A laptop AC adapter

SKU CH-NH4C-P5ZME MPN 55Y9317-AA

135 W laptop AC adapter delivering 20 V at 6.75 A for compatible Lenovo models

  • Battery typeAC Adapters
  • Product colorBlack
  • Product typeConsumer Electronics
  • 135 W output powers demanding laptops efficiently
  • 20 V at 6.75 A delivers stable charging current
  • Lenovo 55Y9317 compatible design ensures correct fit
  • New condition guarantees full performance from first use

Compatible 135W 20V 6.75A Adapter

The AddOn 55Y9317-AA is a new laptop AC adapter rated at 135W with a 20V output at 6.75A. It is built for Lenovo systems that require this exact power specification. The unit comes in a black finish and is intended for users replacing a lost or damaged original charger.

Fits Lenovo 135W 20V Requirements

This adapter connects to a mains outlet and delivers the 20V 6.75A current the laptop expects, freeing the machine from battery-only operation. It requires a compatible Lenovo DC input jack and a standard AC power cord for the wall socket. Builders needing a different voltage, wattage or connector type cannot use this model.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $88.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameAddOn
Product colorBlack
Product typeConsumer Electronics
Power
Battery typeAC Adapters
Size & build
Shipping weight0.81 kg
Package size302 × 109 × 46 mm

Questions about this item

How does the 135 W rating affect thermal limits during sustained charging?

The adapter delivers 135 W at 20 V and 6.75 A; sustained loads at that output will generate heat proportional to the power drawn, so ensure adequate ventilation around the brick.

What fan or cooling noise should be expected when the adapter runs continuously at 20 V 6.75 A?

This power adapter has no internal fan; it relies on passive convection cooling, so operation is silent aside from possible faint coil hum under full 135 W load.

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