Dr. Battery Green Series Laptop / Notebook Battery Replacement for HP Pavilion DV4-1430US (8800mAh) 30-Day Money Back Guarantee. 3 Years Warranty Type: Dr. Battery 10.8 Volt Li-ion Green Series Laptop Battery Capacity: 8800mAh Condition: New 30-Day Money Back Guarantee. 3 Years Warranty 1000+ charge cycles, with Boston Power Sonata 4400 Cell The battery will protrude out the (bottom/side) of the laptop and will cause your laptop to sit at an angle. You may not be able to connect to a docking station with the extended battery.