Please match your current laptop pin & model with below description. This charger works with over 90% laptops in market. Specifications: Input: 100V ~ 240V, 50/60Hz. Output: 15V/16V/18.5V/19.5V(19V)/20V/22V/24V Over Voltage Protection Over Short Circuit Protection Over Temperature Protection High Power Exchange and Stable Working 15 Tips, Compatible with 97% laptop models in the Australian market. Connector: 15 Tips (such as dimensions, suitable laptop model, check as below.) Compatible Model:   Tip A - 6.4mm x 4.4mm (for Sony,16V-4A, 19.5V-4.1A/4.7A) Tip D - 6.3mm x 3.0mm (for Toshiba 15V-3A/4A/5A/6A) Tip E1 - 4.8mm x 1.7mm (for HP/Compaq 18.5V-3.5A/4.9A) Tip E2 - 4.8mm x 1.7mm (for HP Envy 4, 19.5V-3.33A) Tip F - 5.5mm x 2.5mm (for Lenovo/Asus/Toshiba 19V-3.42A/3.95A/4.74A) Tip G - 5.5mm x 3.0mm (for Samsung 19V-3.16A/4.74A) Tip Q - 7.4mm x 5.0mm (for Dell PA-10, PA-12 19.5V-3.34A/4.62A) Tip R - 7.4mm x 5.0mm (for HP/Compaq 18.5V-3.5A, 19V-4.74A) Tip N - 5.5mm x 1.7mm (for Acer 19V-1.58A/3.42A/4.74A) Tip X1 blue - 4.5mm x 3.0mm (for HP Pavilion 15, 19.5V-2.31A/3.33A/4.62A) Tip X2 black - 4.5mm x 3.0mm (for Dell Inspiron 3000 5000, 19.5V-2.31A) Tip W - 3.0mm x 1.0mm (for Samsung 19V-2.1A, Acer S3 S5 S7) Tip S - 4.0mm x 1.35mm (for Asus 19V-2.37A/3.42A) Tip Z - Square with pin inside (for Lenovo G50 Z50 11S, 20V-2.25A/3.25A/4.5A) Tip L - 7.9mm x 5.0mm (for Lenovo X60 X61 T430 X200, 20V-3.25A/4.5A) Tip(with the adapter) - 5.5mm x 2.1mm (Acer) HP EliteBook: 8470P  8530P | 8540P | 8560P | 8570P | 2530P | 2540P  2740P | 2760P  8440P HP Pavilion: G6 | G7 G56  CQ60  DV4 | DV5 | DV6 | DV7  G60 | G61 | G62 HP ComPaq Presario  CQ40 | CQ42 | CQ43 | CQ50 | CQ57| CQ60 | CQ61 | CQ62 HP Pavilion 15 Notebook PC: 740015-003  740015-001  250 G2 G3 G4 G5 Dell Studio: 1535 | 1537  1555  1735 | 1737 Vostro  1400  1500  3300  3400  3500 | 3550  3700 Dell Latitude: E4300  E6400 | E6410  E6500  E5420 | E5520  E6250  E6320 E6420  E6510 | E6520 Dell Inspiron: N5010  M5040  N4110  N5110  N7010  E5250  E5450  E5540  E5550  E6440  E6540  E7240 Samsung: R780  R540  RV511  RC720  R520  R530  R560  R580  R730  RF710  R719  RV515  RV520  R519  Asus:  F550C  X551M  K42  K52  K52F  K53E  K55A  F550L  F550Z  F550  F550C  F551C  K550  A53S  A53T  A53TA  A73S Dell Inspiron: 5558  3558  5551  5555  5559  5565  5567 5568  5755  5758  7348  7558 Dell Latitude:  3301  3310  3390  3400 | 3410  3500  3510 Asus:  UX305 | UX305F | UX305FA | UX305L | UX305LA  X200M | X200CA | X200MA | X200LA  X202E  Q200E  S200E Lenovo: 1 x 90W AC Adapter + AU Power Cord + 15 Connector  ACMA & ESSS Registered Responsible Supplier Number : E8888