Multitester tested for voltage. The ac POWER CORD is INCLUDED (a $9.95 value for FREE). Genuine factory ORIGINAL Dell adapter with Input: AC 100-240V Output: DC 20V 4.5A. A single three female pin plug connecter. Compatibility is unknown third party web information. Please determine compatibility for your device BEFORE purchase. Questions are encouraged. Latitude C400, Latitude X200, Latitude CP, Latitude CPi, Latitude CPi A, Latitude CPi R, Latitude CPt C, Latitude CPt S, Latitude CPt V, Latitude CPx H, Latitude CPx J, Latitude CS R, Latitude CSX, Latitude CSxR, Latitude CSxH, Latitude CS, Latitude CSx, Latitude C800 Latitude C810 Latitude C840 Latitude C610 Latitude C640 Latitude C510 Latitude C600 Latitude C500 Inspiron 2500 Inspiron 2600 Inspiron 2650 Inspiron 3700 Inspiron 3800 Inspiron 4000 Inspiron 4100 Inspiron 4150 Inspiron 5000 Inspiron 5000e Inspiron 5100 Inspiron 7500 Inspiron 8000 Inspiron 8100 Inspiron 8200 Compatible with the following OEM or 3rd party part numbers [ Dell ] ( 310-4615 ) [ Dell ] ( 4983D ) [ Dell ] ( 7E109 ) [ Dell ] ( 9364U ) [ Dell ] ( AA20031 ) [ Battery-Biz ] ( AC-C52 ) [ BatteryValues ] ( AC-C52 ) [ DSMiller ] ( AC-C52 ) [ Hi-Capacity ] ( AC-C52 ) [ US Power ] ( ACL1085 ) [ Dell ] ( ADP-50FH ) [ Dell ] ( OR334 ) [ Dell ] ( PA-6 ) [ Dell ] ( PA-8 ). S H in the contiguous USA is $6.(insured shipping). Please see other interesting items by JGrit USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 4 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.