UpBright 12V AC/DC Adapter Compatible with Dell S2440L S2440Lb 24″ S2340 S2340L S2340T S2340M S2340Mc 23″ S2230MX S2230MXF 21.5″ S2240T S2740L LED LCD Monitor ADP-40DD B PA-1041-71 3.33A 40W Power

UpBright New Global 12V AC / DC Adapter Compatible with Dell S2440L S2440Lb 24-Inch S 2440L S 2440Lb 24″ Screen LED LCD Monitor DC12V 3300mA 3330mA 12VDC 3.3A 3.33A 3A 40W 12.0V Switching Power Supply Cord Cable PS Battery Charger Mains PSU CECCCROHS 100-240 ASIN: B00JEPSC3E