Hotplug PSUs are very sturdy — rarely see warranty claims. Safe bet. Always make sure they're tested. Key checks: Make sure tested.
PRODUCT OVERVIEW
The ThinkPad 90W AC/DC Combo Adapter allows a ThinkPad Z60t or Z60m notebook to be powered from an AC or DC power supply. The adapter simultaneously recharges the system battery. This adapter gives users the flexibility to use their ThinkPad notebook longer and in more places.
It has a streamlined design so it fits easily into a carrying case.<br> <br> Features & Benefits: <br> <br>• To recharge your ThinkPad battery while you are in the office, at home, on the road or in the air, plug the adapter into: <br>- An AC wall outlet <br>- Your vehicle's DC power outlet <br>- An available aircraft power outlet <br>• This combo adapter is also compatible with the ThinkPad Advanced Mini Dock, the ThinkPad Essential Port Replicator and the ThinkPad External Battery Charger <br>• Backed by a Limited Warranty from Lenovo with renowned Service and Support available from IBM.