Home laptop battery compaq Presario C742EM batteries Compatible Laptop Battery for compaq Presario C742EM Click to enlarge Find other parts of your compaq Presario C742EM Presario C742EM laptop battery 5200mAh 10.8V 49.19AUDPresario C742EM Laptop AC Adapter39.99AUDPresario C742EM Keyboard 25.99AUDPresario C742EM LCD Screen 99.99AUDPresario C742EM DVD Burner 26.99AUD Code:1 Special price: $AUD Number: Brand new product with 1 year warranty! This Presario C742EM batteries replaces: This Presario C742EM batteries is compatible with the following models: