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Black rectangular IBM auto adapter with cable and connector

IBM

IBM NIBAD-7308 Auto Adapter 16 V 56 W 3.50 A

SKU CH-4YJX-J3EHP

16 V 56 W auto adapter powers IBM ThinkPad 130, 600, 1200 and 1300 notebooks from a vehicle supply

  • Power adapter voltage16 V DC
  • Power adapter current3.5 A
  • Power adapter wattage56 W
  • Main functionNotebook
  • Product typeAuto Adapter
  • Powers notebooks from a vehicle 12 V outlet with 56 W output
  • Delivers 16 V DC at 3.50 A for stable ThinkPad charging
  • Compatible with ThinkPad 130, 600, 1200 and 1300 series
  • Genuine IBM NIBAD-7308 auto adapter built for notebook use
  • Single-cable design keeps the cabin tidy while charging on the move

IBM 56 W Auto Adapter for ThinkPad Notebooks

This IBM NIBAD-7308 auto adapter delivers 16 V DC at up to 3.50 A for a total of 56 W. It is designed to power compatible ThinkPad notebooks from a vehicle power socket. The unit suits mobile professionals who need to run or charge their laptop while travelling by car.

Continuous 56 W delivery in a vehicle environment

The adapter maintains its rated 56 W output during extended driving sessions rather than only in short bursts. Stable 16 V DC regulation supports consistent notebook operation and battery charging throughout the journey. This steady performance avoids voltage drops that could interrupt work or degrade the battery.

Thermal and electrical behaviour in normal use

The adapter operates at its specified 16 V and 3.50 A limits without exceeding the 56 W design envelope. Normal in-car use keeps temperatures within the unit's rated range, and the DC output remains clean for sensitive notebook electronics. No additional cooling or power-conditioning accessories are required.

How it compares

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

Price $39.99
Pricier than about 71% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameIBM
Product typeAuto Adapter
Power
Power adapter voltage16 V DC
Power adapter current3.5 A
Power adapter wattage56 W
More details
Main functionNotebook

Questions about this item

How much heat and noise does the 56 W IBM NIBAD-7308 produce during continuous use?

As a passive 16 V DC auto adapter with no moving parts, it runs silently and generates only modest warmth under its 3.50 A load.

What must my ThinkPad already have to accept this 16 V 3.50 A auto adapter?

Your notebook needs a 16 V DC input jack and must be one of the listed models: 130, 600, 1200 or 1300 series.

Will this 16 V 56 W adapter work alongside the original AC brick I keep for desk charging?

Yes — it supplies the same 16 V DC output, so you can swap between the auto adapter and your standard charger without changing settings.

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