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Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
Lenovo 4X20Q88539 135W Slim Tip AC Power Adapter
Overview
The Lenovo 4X20Q88539 is a 135W AC power adapter using the Slim Tip connector — Lenovo's standard DC connector found across a wide range of ThinkPad and Lenovo commercial notebook lines. At 135W, it delivers enough headroom for high-performance configurations under sustained CPU and GPU load, making it the appropriate replacement or spare for workstation-class laptops that a lower-wattage brick would leave throttled. Keep one at a secondary desk or rack workstation to avoid carrying a single unit between sites.
Compatibility
Designed for Lenovo notebooks that specify a 135W Slim Tip power input. Verify your system's required wattage and connector type against your laptop's bottom label or PSREF entry before ordering — using an under-rated adapter on a 135W-class system causes CPU throttling under sustained load. This adapter is not compatible with systems requiring the rectangular USB-C/Thunderbolt charging input or the older round-barrel connector.
Installation Notes
Connect the Slim Tip DC plug to the laptop's DC-in port before connecting the AC cord to mains power. Standard IEC AC input — compatible with US 120V outlets using the included AC cord. Confirm the 4X20Q88539 part number matches the replacement specified in your system's documentation before deployment.
Lenovo Slim 135W Slim TIP Power Adapter - 4X20Q88539
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Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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