The Dell 130W AC Adaptor 6.67 Amp, 19.5V with power cable features an Outer diameter of 4.5mm and Inner diameter of 3.0mm with compatible models being
10,
11-9P33,
12,
12-9250,
12-9Q23,
12-9Q33,
12D-1708,
12-L221X,
13,
13 (2018),
13-0015,
13-0015SLV,
13-1500SLV,
13-2501SLV,
1330,
1340,
13-40002SLV,
13-4040,
13-4040SLV,
13-6928,
13-6928SLV,
13-7000SLV,
13-7390,
13-9001,
13-9001SLV,
13-925SLV,
13-9300,
13-9305,
13-9310,
13-9315,
13-9333,
13-9343,
13-9350,
13-9360,
13-9360R,
13-9365,
13-9370,
13-9380,
13-9520,
13D-128,
13D-138,
13D-148,
13D-148D,
13D-2501,
13D-2508,
13D-2608,
13D-2701,
13D-2708,
13D-9343,
13-L321X,
13-L322X,
13-L322X ,P29G,
13R,
13R2-1050SLV,
13R2-1250SLV,
13Z,
14,
14-1364,
14-1591,
14-1818,
14-7437,
14D,
14-L401X,
14-L421X,
14Z,
14Z-L412X,
14Z-L412Z,
14Z-L421X,
15,
15 L511Z,
15-1301AAL,
15-1591,
15-2500,
1530,
15-9500,
15-9530,
15-9550,
15-9560,
15-9570,
15-9575,
15D,
15L-2143SLV,
15L-2368E,
15-L501X,
15-L521,
15-L521X,
15Z,
1640,
1645,
1647,
17,
17-9720,
17D,
17-L701X,
17-L702X,
18,
1810,
18-1810,
18-1820,
9365,
9Q23,
9Q33,
DUO 12,
GEN 2,
L221X,
L321X,
L322X,
L401X,
L402X,
L412X,
L412Z,
L421X,
L501X,
L502X,
L511Z,
L521X,
L701X,
L702X,
M1020,
M1210,
M1330,
M140,
M1530,
M170,
M1710,
M1730,
M20,
M2010,
M4300,
M65,
X15L-1024ELS,
X15L-1224ELS,
X15L-1786SLV,
X15L-2368ELS,
X15L-2857ELS,
X15L-3357SLV,
X15L-3571ELS,
X15L-3929SLV,
X17L-1399ELS,
X17L-1667ELC,
X17L-2777ELS,
X17L-3333ELS,
X17L-751ELS,
X17L-781ELS,
X17L-782ELS,