Product TypeOutput: DC 19.5V~3.33A 65W; Input: AC 100-240V~1A(50-60Hz); Connector: 4.5mm x 3.0mm Blue Tip Compatible typesCompatible for HP ProBook EliteBook 840 850 845 830 820 G8 G7 G6 G5 G4 G3 / 645 650 655 G2 G3 G4 G5 G6 G7 G8 / 450 430 440 446 455 470 G3 G4 G5 G6 / G7 / G8 / 745 735 725 755 G6 G5 G3 G4 Compatible P/NNotebook 14 15 Charger 14-ax020nr 14-ax010wm 14-an013nr 14-an012nr 14-ax040wm 14-ax020wm15-ba009dx 15-ba079dx 15-ba113cl 15-bs015dx 15-bs113dx 15-bs115dx 15-bw011dx 15-bw032wm 15-1039wm 15-1033wm 15-w117cl 15-w237cl 15m-cn0011dx 15m-bp111dx 15m-bq121dx Multiple protectionOverload protection, short circuit protection, zero voltage and under voltage protection After-Sale WarrantyWe promise 30 days return, 1 year warranty, if you have any questions, we will try our best to provide you with the solution in the fastest time before you leave a negative evaluation, please feel free to contact us.