Products in the 'U90' universal range can be used with laptops drawing up to 90W of power. You can find how many watts of power your laptop draws by multiplying its DC voltage and current requirements (usually found written on the laptop base), e.g. 'DC Input: 16V, 3A' means the laptop requires up to 48W of power. Most laptops use less than 72W, however most Pentium 4 laptops draw up to 90W
2-Power high quality 'U90' universal adaptors are guaranteed 100% compatible, and match the original specifiations.
