YTech 135W 20V 6.75A Slim-Tip Laptop Charger

The YTech Slim 135W 20V 6.75A AC adapter is a compact replacement charger engineered to reliably power a wide range of Lenovo ThinkPad, IdeaPad and Legion laptops that use the 135W slim-tip connection.

This compact, high-output adapter delivers the voltage and current required by many Lenovo and compatible models while occupying less space than older brick-style chargers. It’s designed for users who need a dependable spare or replacement unit — whether at the office, at home, or in a travel bag — and includes the power cord for out-of-the-box use. The adapter supports global AC input (100–240V, 50/60Hz) and produces 20V at 6.75A (135W) through a slim-tip connector that matches many OEM part numbers such as ADL135NDC3A and ADL135NDC2A.

Which laptop models work with this YTech 135W slim-tip charger?

It’s compatible with an extensive list of Lenovo ThinkPad, Yoga, IdeaPad and Legion models that require a 135W slim-tip power supply. This includes multiple T-, P-, L-, S- and Yoga-series machines, plus selected IdeaPad and Legion gaming laptops. Check your laptop’s original adapter specs and the OEM part numbers listed to confirm fit.

• Examples: ThinkPad T440P/T470p/T540p, X1 Carbon (3rd/4th gen), P1/P50 series, IdeaPad L340, Legion Y50/Y520/Y530, Yoga 14/260/370
• Compatible P/Ns: ADL135NLC3A, ADL135NDC3A, ADL135NCC3A, SA10E75864, 5A10J75112, 45N0365
• Output: 20V ⎓ 6.75A (135W) slim-tip connector

How safe and reliable is this replacement adapter for daily use?

YTech builds this adapter to meet standard safety and performance expectations for laptop power supplies, including protection against over-voltage, over-current, and short circuits. The universal AC input lets you use it internationally with the proper mains plug, and the included power cord simplifies setup. For long-term reliability, avoid using damaged cords and keep the adapter ventilated during heavy use.

• Built-in protections: over-current, over-voltage, short-circuit safeguards
• Wide input range: AC 100–240V, 50/60Hz for worldwide use
• Includes one power adapter and one detachable power cord for immediate use

Will this charger deliver full performance for power-hungry Lenovo laptops?

At 135W output the adapter supplies the power envelope many high-performance ThinkPad P-series and select Legion/IdeaPad models expect under load. It’s suitable for charging the battery and running CPU/GPU workloads at typical operating conditions. If your laptop originally shipped with a higher-wattage OEM adapter, verify that 135W matches the factory specification to avoid underpowered scenarios.

• Rated output: 135W — designed for 20V/6.75A laptops
• Slim-tip connector matches many Lenovo OEM ports and part numbers
• Not intended to increase performance beyond factory power specifications

Who is this for? This YTech 135W slim-tip AC adapter is aimed at Lenovo laptop users who need a compact, dependable replacement or spare charger: professionals carrying a secondary adapter for travel, students keeping one at school, and anyone replacing a lost or damaged 135W OEM brick. Confirm your laptop’s voltage/current requirements and compatible OEM part numbers in the product listing before purchase to ensure proper fit and performance.