... -in,100% Hi-pot test 19.5v 3.33a adapter for hp untrabook laptop P/N:677770-002Compatiable models:ForHP ENVY ... zero customer complaints goal.QA: Sampling test of every batch for its cycle lifespan, high-rate charging, high/low temperature and ... , EMS, FEDEX, or by Sea, Air as per your requirement. For HP Envy Laptop Power Supply 19.5V 3.33A