150W 19.5V DC 7.7A Laptop Adapter 

Input: 100--240V AC 50-60Hz
Output: 19.5V DC 7.7A
Connection: 7.4x5.0 mm With Special Slim Pin
Compatible Models: for Dell laptop
Inspiron 5150
Inspiron 5160
Precision M90
XPS Gen 2
XPS M170
XPS M1710

Protection

Short circuit protection,

Over voltage protection,

Over current protection,

Over power (overload) protection.

Thermal shutdown capality.

Our factory: 
5,000 square meters
150 well-trained staffs
18 R&D engineers
18 QC auditors
4 SMD workshops, equipments imported from Japan
2 semi-automated production lines
500K/M current monthly capacity
ISO9002 quality assurance
UL/CUL , CE, FCC, CCC, KC, GS, TUV , C-TICK , SAA,CB, ROHS approvals , 6 level efficiency .

Our principle: Lowest price and GOOD quality.