Laptop battery for the Compaq Presario 900, 1500, 2800 and EVO N800, N1000 series. Compatible part numbers: 281233-001, 279665-001, 280206-001, 280611-001, 281234-001 or 281766-001.
Battery technology: Li-Ion, 14.4 volts 4000 mAh.

Weight: 14.1oz (400g) Li-Ion