Can be used as mobile phones, PDAs, MP3, MP4 and other equipment charger. The circuit board has overvoltage, overcurrent, and short circuit protection. Output power enough; high output voltage accuracy; low output voltage ripple. The original standard design, 100% compatible with original power. Suitable for a variety of different types of notebooks, including Acer, AST, Compaq, Dell, Fujitsu, HP, IBM, Panasonic, Samsung, Sony, Toshiba and many other brands.