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Rectangular black 330W AC adapter with 20V output

Battery Technology Inc.

Battery Technology Inc. GX21M50608-BTI 20V 330W ac adapter

SKU CH-AWM0-0B2FP MPN GX21M50608-BTI

20 V 330 W AC adapter compatible with Legion 9 and Legion Pro 7 models

  • Battery typeLaptop Batteries
  • Product typeAC Adapter
  • Delivers 330 W at 20 V for fast charging
  • Compatible with Legion 9 16IRX8 83AG laptop models
  • Works with Legion 9 16IRX9 83G0 systems
  • Supports Legion Pro 7 16ARX8H 82WS devices
  • Fits Legion Pro 7 16IRX8H 82WQ and 16IRX9H 83DE

Compatible laptop models

This 20V 330W AC adapter replaces the original charger for Legion 9 16IRX8 83AG and Legion 9 16IRX9 83G0 units. It also fits Legion Pro 7 16ARX8H 82WS, 16IRX8H 82WQ and 16IRX9H 83DE systems. Buyers needing a different connector or voltage should look elsewhere.

Thermals noise and power draw

The adapter delivers a steady 330W output at 20V during normal operation. No fan is present, so the unit runs silently on a desk. Typical warmth stays within expectations for a brick of this rating. Efficiency figures are not supplied by the manufacturer.

Sustained load behaviour

Under continuous high demand the brick maintains its rated 330W without throttling in typical ambient temperatures. The casing warms noticeably but remains within normal operating limits. No thermal protection trips are documented for extended sessions. Units requiring more than 330W cannot use this adapter.

How it compares

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

Price $197.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameBattery Technology Inc.
Model nameGX21M50608-BTI
Part numberGX21M50608-BTI
Product typeAC Adapter
Power
Battery typeLaptop Batteries
Size & build
Shipping weight1.18 kg
Package size224 × 155 × 56 mm

Questions about this item

How do I connect the 20V 330W adapter to my Legion 9 16IRX8 83AG and what step is often missed?

Plug the barrel connector firmly into the laptop's DC-in port until it clicks, then connect the IEC C5 mains lead to the brick and a grounded wall socket; the click is the step most people miss.

What part will need replacement first on this 330W unit after extended use?

The detachable IEC C5 mains cable typically frays at the strain relief before the sealed adapter body shows any degradation.

At what load does the 20V 330W brick hit its thermal limit during sustained use?

Continuous draw at or near the rated 330W causes the internal temperature to reach the protection threshold first, triggering throttling or shutdown.

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