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Black rectangular 230W AC adapter with slim yellow tip connector

Unbranded 230W AC Adapter 20V 11.5A Slim Tip Lenovo

SKU CH-B8R1-X83GG

A 230 W 20 V 11.5 A slim-tip power supply compatible with many Lenovo ThinkPad, Legion, IdeaPad and Yoga models

  • Battery typeAC/Standard
  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage20 V * 11.5 A
  • Main functionFor Lenovo IdeaPad, For Lenovo ThinkPad, For Lenovo Yoga
  • Powers demanding Lenovo workstations with 230W output
  • Works worldwide on 100V-240V mains supply
  • Fits many ThinkPad P and Legion models via slim tip
  • Replaces a long list of Lenovo part numbers
  • Brand-new unit ready for immediate use

230 W Slim-Tip Power Adapter

This 230 W AC adapter delivers 20 V at 11.5 A through a slim rectangular connector. It is built as a direct replacement for Lenovo ThinkPad P70, P71, P72 and P73 mobile workstations as well as Legion 7, C7 and S7 gaming laptops. The unit accepts 100 V to 240 V input at 50 Hz to 60 Hz for worldwide use.

Black Plastic Housing With Fixed Cable

The matte black enclosure houses a captive DC cable that ends in the yellow-tipped slim connector used by the listed ThinkPad and Legion models. A standard IEC C5 cloverleaf inlet on the body accepts any compatible mains lead. No detachable tips or voltage selectors are present, so the adapter is ready to plug in once the correct AC cord is attached.

Check Connector Shape And Part Number Before Buying

Verify that your original charger uses the slim rectangular yellow tip shown in the product images; round or USB-C tips will not fit. Match your laptop's part number against the supported list such as ADL230NLC3A, ADL230NDC3A, GX20L29347 or 4X20E75111. This unit does not support devices that require a different connector geometry or a lower 170 W rating.

How it compares

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

Price $22.99
Cheaper than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameUnbranded
Model name4 × 20e75111
Part number4 × 20e75111
Product colorBlack
Product typeAC/Standard
Power
Battery typeAC/Standard
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage20 V * 11.5 A
Compatibility
Compatible withFor Lenovo IdeaPad Series, For Lenovo Yoga Series, For Lenovo ThinkPad Series, For Lenovo, For Lenovo IdeaPad, For Lenovo ThinkPad, For Lenovo Yoga
More details
Main functionFor Lenovo IdeaPad, For Lenovo ThinkPad, For Lenovo Yoga

Questions about this item

What output does the 20 V slim-tip connector deliver in practice?

The adapter provides 20 V at 11.5 A for a total of 230 W, matching the rated output printed on the unit.

What clearance does the slim-tip plug need on the laptop side?

It uses Lenovo's rectangular yellow-tip barrel that fits the standard 20 V slim-tip port found on ThinkPad P50, P70, Legion and Yoga models listed.

How do you connect the adapter so the polarity is correct?

Align the yellow square tip with the laptop's keyed port and push straight in until it seats; the key prevents reverse insertion.

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