STLIERT 65W Laptop Charger for Lenovo ThinkPad Square Tip

STLIERT 65W laptop charger delivers 20V/3.25A power with a yellow square-tip connector designed to replace or back up Lenovo adapters for many ThinkPad, Yoga and IdeaPad models.

This compact AC adapter offers a reliable alternative when you need a spare or replacement charger that matches the original Lenovo pin style (yellow square tip). It supports 65W output for systems that require ADLX65-series power and can also power some 45W models at compatible voltages. The unit includes the adapter brick, a detachable DC cable with the square plug, and a user guide — all sized for travel or daily carry.

Which Lenovo laptops will this STLIERT 65W charger work with?

The charger is built to suit a broad range of ThinkPad, IdeaPad and Yoga notebooks that accept a 20V square-tip input. It lists compatibility with many T-series, X1 Carbon (2nd & 3rd gen), Yoga, G-series and select Z-series models and matches several OEM part numbers.

• Compatible series: ThinkPad T4xx/T5xx, X1 Carbon (2nd & 3rd gen), Yoga 2/Pro, G, Z and selected IdeaPad models.
• Supports OEM part numbers such as ADLX65NCC3A, ADLX65NLC2A and ADLX65NDC3A equivalences.
• Works for laptops requiring 20V input and the yellow square connector (not USB-C).

How does power and safety match the original Lenovo adapter?

This STLIERT adapter supplies 20V at up to 3.25A (65W), matching the output of common Lenovo 65W chargers. Built-in protections typically guard against overcurrent, short circuits and overheating for safe everyday use, and it can also run some 45W laptop configurations that accept 20V inputs.

• Output: 20V / 3.25A (65W) — suitable for systems requiring ADLX65-series power.
• Input range: 100–240V, 50/60Hz for worldwide use with local plug adapters.
• Safety: designed with standard over-voltage and short-circuit protections for stable charging.

Can I travel with this charger and what’s included in the package?

The STLIERT 65W adapter is compact enough to stash in a laptop bag or suitcase and supports international voltage, so it’s convenient for business trips and remote work. The package supplies everything needed to connect to compatible Lenovo notebooks.

• Includes: 1 x 65W adapter brick, 1 x DC cable with yellow square tip, 1 x instruction manual.
• Portable size fits carry-on or backpack compartments for commuting and travel.
• Works across 100–240V mains; you may need a local plug converter for the power cord plug style.

Will this charger damage my laptop or replace the OEM unit?

When matched to a laptop that requires 20V and the yellow square connector, the STLIERT adapter functions as a practical OEM replacement or spare. Avoid using it on models that require USB-C PD or different voltages and always check that your laptop’s required wattage and connector type align.

• Do not use on USB-C PD-only laptops or systems with different voltage requirements.
• Confirm your laptop’s required part number or voltage/connector before purchasing.
• Designed as a compatible alternative for models listed and part-number equivalents.

Who is this for? The STLIERT 65W laptop charger is ideal for Lenovo owners who need a dependable replacement or spare charger for ThinkPad T-series, selected X1 Carbon models, Yoga and IdeaPad/G-series laptops that use the yellow square-tip connector. It suits commuters, travelers and anyone who wants an affordable, portable adapter that mirrors the original 65W Lenovo specifications without relying on USB-C power delivery.