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White rectangular 40W AC adapter with 5.5mm*2.5mm connector and detachable power cord

E-buy

E-buy 40W AC Adapter 20V 2A for Lenovo IdeaPad S10 423134U White

SKU CH-149J-2TR7V

A 40 W replacement charger delivering 20 V at 2 A with a 5.5 mm × 2.5 mm tip and a region-specific power cord for Lenovo IdeaPad S10 423134U

  • Power adapter voltage20A
  • Power adapter current4A
  • Delivers 40W of power for reliable laptop charging
  • 20V 2A DC output matches Lenovo IdeaPad S10 requirements
  • 5mm by 2.5mm connector ensures a secure fit
  • 100 to 240V AC input works worldwide with included cord
  • 24-month warranty provides long-term peace of mind

Target Device & Output

This 40W AC adapter delivers 20V at 2A for the Lenovo IdeaPad S10 using the 423134U part reference. It suits owners who need a direct replacement charger with a 5.5mm by 2.5mm barrel connector.

Installation Notes

The unit accepts 100 to 240V AC input at 50 to 60Hz and includes a country-specific power cord so no separate cable purchase is required. A mismatch between the laptop's required voltage and this 20V output will prevent charging.

Sustained Load Behaviour

Continuous operation at the rated 40W is supported by the 24-month warranty period. The adapter maintains the specified 20V 2A output during extended charging sessions without additional cooling provisions.

How it compares

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

Price $15.99
Cheaper than about 80% of the 27,790 comparable items (median $30.99).

Specifications

Power
Power adapter voltage20A
Power adapter current4A

Questions about this item

How can I verify the adapter is delivering the correct 20V 2A output after connecting it to my IdeaPad S10?

The laptop should power on and charge the battery normally; a steady charging indicator confirms the 40W supply is operating within its 20V 2A specification.

What items are included in the package and is a separate power cord required?

The box contains one AC adapter and one power cord with the appropriate regional plug (US, UK, EU or AU), so no extra cable purchase is needed.

Which version of this charger matches the 423134U part number for my IdeaPad S10?

This 20V 2A 40W unit with a 5.5 mm × 2.5 mm barrel connector is built to the 423134U specification and is the correct choice.

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