AddOn 4X20E50558-AA 135W 20V 6.25A Black Slim Tip Power Adapter
A 135 W, 20 V laptop power adapter with a slim tip connector for Lenovo notebooks
- Product colorBlack
- Product weight1
- 135 W output powers demanding Lenovo notebooks
- 20 V DC at 6.25 A matches original charger specs
- Slim-tip connector fits compatible Lenovo models
- Includes power cord for immediate use
- Lifetime limited warranty backs the adapter
Power adapter for Lenovo notebooks
This 135 W power adapter delivers 20 V at 6.25 A through a black slim tip connector. It replaces the Lenovo 4X20E50558 unit and includes a power cord for immediate use. The adapter is TAA non-compliant and carries a lifetime warranty from AddOn.
Suitable for Lenovo owners needing a direct
Buyers who need a TAA-compliant power supply for government procurement should look elsewhere. Users whose devices require a different output voltage, current rating or connector style cannot use this adapter.
135 W maximum output power
The 135 W rating determines whether this adapter can charge your specific notebook under full load. Verify that your Lenovo model accepts 20 V at 6.25 A before purchasing.
How it compares
Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.
- Price $88.99
- Pricier than about 90% of the 3,875 comparable items (median $23.99).
New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.
Specifications
| Product | |
|---|---|
| Brand name | Addon |
| Part number | 4 × 20E50558-AA |
| Product color | Black |
| Size & build | |
| Cable length | No |
Questions about this item
What does the 135 W rating mean when the adapter is powering my Lenovo notebook?
The adapter can deliver up to 135 W at 20 V DC and 6.25 A, so it will run and charge compatible Lenovo notebooks that require that power level.
What connector standard does the slim tip use and what does it limit?
The slim tip is a proprietary Lenovo barrel connector that carries 20 V DC up to 6.25 A, capping output at 135 W for supported models.
What does the adapter need to fit and mount in my setup?
It plugs directly into the notebook's slim-tip power port and includes a detachable AC cord for the wall outlet, with a black inline brick that rests on the desk or floor.
More in AC Adapters & Power Bricks





