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Rectangular black AC adapter with detachable mains cord and barrel connector

Blueskysea

Blueskysea 65W 45W AC Adapter for IdeaPad S145 S340 S530 S540 S310 13 14 15 inch

SKU CH-GK6V-MJ3JD

65W 45W AC adapter compatible with IdeaPad S145 S340 S530 S540 S310 13 14 15 inch laptops delivering 20V 3.25A 65W and 20V 2.25A 45W output

  • TypeAC Adapters
  • 65W and 45W output charges compatible IdeaPad models quickly
  • 20V 3.25A maximum output delivers full power for 65W laptops
  • 110-240V input range works worldwide without a voltage converter
  • UL FCC RoHS certified for electrical safety and environmental compliance
  • Fits S145 S310 S340 S530 S540 series across 13 14 15 inch sizes

Compatible Lenovo IdeaPad Models

This AC adapter fits numerous IdeaPad S145, S340, S530 and S540 laptops with 13, 14 and 15 inch screens. It covers specific variants such as S145-14API, S340-15IML and S540-14IWL among many others listed by the supplier.

Power Output Under Load

The unit delivers a maximum of 20V at 3.25A for 65W output and also supports 20V at 2.25A for 45W operation. It accepts a wide input range of 110-240V for use in different regions without a voltage converter.

Safety Certifications and Build

The adapter carries UL, FCC and RoHS certifications confirming compliance with recognised safety and environmental standards. Supplier notes indicate the parts undergo rigorous testing by qualified engineers to ensure compatibility and reliability.

Highlights

  • 65W and 45W output charges compatible IdeaPad models quickly
  • 20V 3.25A maximum output delivers full power for 65W laptops
  • 110-240V input range works worldwide without a voltage converter
  • UL FCC RoHS certified for electrical safety and environmental compliance
  • Fits S145 S310 S340 S530 S540 series across 13 14 15 inch sizes

Specifications

TypeAC Adapters

Questions about this item

Does the 65 W adapter run hot or make noise when powering a 15 inch IdeaPad all day?

The unit delivers 20 V at 3.25 A for 65 W and also supports 20 V at 2.25 A for 45 W; it is UL, FCC and RoHS certified, so it meets standard safety and thermal limits for continuous use.

Which cables or tips must I already own to use this charger with an S340-14IML?

The adapter includes the AC power cord and the correct barrel tip for the listed IdeaPad S145, S310, S340, S530 and S540 models; no extra cables are required.

Will this power supply work with an older IdeaPad S310 that originally shipped with a 45 W brick?

Yes — the charger provides both 65 W (20 V 3.25 A) and 45 W (20 V 2.25 A) outputs, matching the original S310 requirement and the wider S145, S340, S530, S540 range.

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