Genuine Dell Latitude 3000 chargers are listed below, please check underneath your laptop, notebook or 2 in 1 tablet computer for your model number, and then click the same model listed below.
Within this series you have 11, 12, 14, and 15 which basically is Dells short code for screen size of this series.

If you dont know your full model and go by the series 3000 of your Dell laptop, then please do check the specification of the charger, as the correct charger for the series of 3000 is determined by specification as well as full model number and these can variety it wattage and connector pin type and size, if unsure just contact us and we will be happy to check for you, as with Dell chargers they have many the same specification but update the style and shape of the ac adapter from time to time.