1. Input: 100-240v/50-60HZ 2. CE,certificate 3. 1year warranty 4. Output: 19v 3.34a 5. DC Tip:5.5*2.5mm   See larger image for Dell PA-21 19V 3.34A AC Adapter/Power Supply Charger Specifications 

AC Adapter/Power Supply Charger for Dell PA-21 input:100-240V 50-60 Hz output:19V 3.34A 65W 2 year warranty CE CEE ROHS

 New 19V 3.34A AC Adapter/Power Supply Charger for Dell PA-21  TECHNICAL SPECIFICATIONS:Input: AC 100-240V,50-60HzOutput:19V 3.34APower: 65WConnector size:octagon  FEATURES:+ High quality ac adapter+ Includes wall cord and adapter + 100% Compatible with your laptop 

+ Material of shell:PCB+AB ,Rating of temperature:270 degree

+ Wide range voltage:100-270V

+ Circuit board:half-wave,over-voltage,over-current,short circuit protecting.

+ Transformer:TGG+TDK ,pafic copper wire

+ Electric capacity: Kingbox and Rubycon

+ DC cable:0.5 pure copper

+ AC cable:0.7 pure copper

+ IC:3842 

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See larger image for Dell PA-21 19V 3.34A AC Adapter/Power Supply Charger