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Black rectangular AC adapter with 40W 19V output for Lenovo ThinkPad

Battery Technology Inc.

Battery Technology Inc. 0B47030-BTI AC Adapter 40W 19V Lenovo ThinkPad 0B47030

SKU CH-8H24-AR189 MPN 0B47030-BTI

40 W 19 V AC adapter replaces Lenovo ThinkPad part 0B47030 for compatible laptops

  • TypeAC Adapter
  • CompatibilityLenovo ThinkPad 0B47030
  • Battery TypeAC Adapters
  • AC Adapter Output Power40W
  • FeaturesAC Adapter 40W Lenovo ThinkPad 0B47030
  • Delivers reliable 40 W power for compatible ThinkPad models
  • 19 V output matches original Lenovo 0B47030 specifications
  • Brand-new BTI unit replaces lost or damaged OEM adapters
  • Direct-fit design works with Lenovo ThinkPad 0B47030 part number
  • 40 W AC adapter restores full charging capability on supported laptops

Purpose and fit

This 40W AC adapter is built as a direct replacement for Lenovo ThinkPad systems that use the OEM 0B47030 part. It supplies the 19V output those notebooks expect, so it suits owners who need a spare or replacement charger for compatible ThinkPad models.

Sustained operation

The adapter is rated to deliver 40W continuously, meaning it can keep the laptop powered and charging during typical office workloads without throttling or overheating. Its output remains stable across the full session rather than only in short bursts.

Deciding specification

The 40W power rating is the single figure that determines whether this unit matches the original charger; a higher or lower wattage unit would not be a correct substitute for the 0B47030 requirement.

Highlights

  • Delivers reliable 40 W power for compatible ThinkPad models
  • 19 V output matches original Lenovo 0B47030 specifications
  • Brand-new BTI unit replaces lost or damaged OEM adapters
  • Direct-fit design works with Lenovo ThinkPad 0B47030 part number
  • 40 W AC adapter restores full charging capability on supported laptops

Specifications

BrandBTI
Model0B47030-BTI
TypeAC Adapter
CompatibilityLenovo ThinkPad 0B47030
Battery TypeAC Adapters
AC Adapter Output Power40W
FeaturesAC Adapter 40W Lenovo ThinkPad 0B47030
Shipping weight0.45 kg
Package size254 × 203 × 76 mm

Questions about this item

Does the 40 W output stay cool enough for all-day use on a desk?

The adapter delivers 40 W at 19 V and is designed for continuous operation; typical wall-plug units of this class run warm but within normal thermal limits for desktop use.

What must I already own for this 19 V 40 W unit to power my laptop?

You need a Lenovo ThinkPad that accepts the 0B47030 part number and a standard IEC C7 or C5 mains lead for your region.

Will this 19 V 40 W adapter work with a ThinkPad that originally used the same 0B47030 part?

Yes, it is a direct replacement for the OEM 0B47030 adapter, matching the 19 V 40 W specification for compatible ThinkPad models.

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