We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black rectangular AC adapter with detachable power cord

WAWEIS

WAWEIS 135W 20V AC Adapter for Lenovo 45n0057

SKU CH-N52E-4GCQA

Replacement 135W 20V AC adapter with 10 ft cord and multiple safety protections

  • World-wide 100-240 V input works anywhere
  • 135 W output at 20 V powers Lenovo 45n0057
  • 10 ft total cord length reaches distant sockets
  • Over-current, over-voltage and short-circuit protection built in
  • FCC, CE and RoHS certified for safety

135W 20V AC Adapter for Lenovo

This 135W 20V AC adapter is built as a direct replacement charger for compatible Lenovo laptops. It supplies the power needed to run the system and charge the battery from a standard wall outlet. The unit is brand new and manufactured to meet OEM specifications.

100-240VAC Input and 10 Ft Cord

World wide input voltage of 100-240VAC at 50/60Hz lets the adapter operate on mains power across different regions without a voltage converter. A total cord length of 10 ft gives flexibility in outlet placement and reduces the need for an extension lead. The adapter connects directly to the laptop's DC jack and requires no additional modules.

135W to 170W Power Range and Safety Protections

Rated for 135W output with headroom up to 170W, it comfortably handles the original device's power demands during heavy workloads and charging. Built-in protections include over current protection, total power protection, over voltage protection and short circuit protection. Buyers needing a higher wattage unit or a different connector type should verify their laptop's exact requirements before purchase.

Highlights

  • World-wide 100-240 V input works anywhere
  • 135 W output at 20 V powers Lenovo 45n0057
  • 10 ft total cord length reaches distant sockets
  • Over-current, over-voltage and short-circuit protection built in
  • FCC, CE and RoHS certified for safety

Specifications

No published specifications for this item yet.

Questions about this item

What is the maximum power output this 135W adapter can deliver under sustained load?

The adapter is rated for 135W continuous output and supports peak loads up to 170W.

How does the unit manage heat and noise during all-day operation?

It uses a smart chip for overheating protection and high-quality wires with overload protection, operating silently with no moving parts.

Which Lenovo models does the 45n0057 part number confirm compatibility with?

The 45n0057 part number matches the original Lenovo specification; this adapter is 100% OEM compatible as a direct replacement.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.