.All Hp CQ50 adapter chargers are tested for 100% quality control assurance before shipped.Ulta-High performance,lightweight replacement for your Compaq Presario CQ50 adapter for traveling by full 1 year warranty guarantee and 30 days money back gurantee! 65W 18.5V 3.5A adapter for Compaq Presario CQ50 AC Adapter 65W 18.5V 3.5A adapter for Compaq Presario CQ50 AC Adapter 65W 18.5V 3.5A adapter for Compaq Presario CQ50 AC Adapter