Asus A42-U31 Battery This is a brand new Asus A42-U31 battery for the Asus U31 models. You can double check you order the correct battery by looking at your original battery by looking for the part number. It should match "A42-U31" or another part number listed below. This A42-U31 battery can be easily installed yourself. It does require you to unscrew the cover on the bottom of your laptop to access the battery. We use the highest quality lithium-ion battery cells and components that charge faster and last longer. This Asus A42 U31 battery is 100% compatible with the original Asus battery specifications.
The A42-U31 battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 1 Year warranty. Tech Specs Xtend brand; 10.8 Volts; 4400 mAh or 47 Whr; 6 Cell Li-ion; Samsung (South Korea); Black; 2 Year Warranty; 30 day full satisfaction guarantee; 300-500 recharge cycles; You can expect about 4 - 5 hours of run time with this A42-U31 battery when new, depending on your energy use. The battery cells inside this cartridge have an energy capacity of 6840 mAh. Replaces these many
Asus battery part numbers: A32-U31 A42-U31 ASUS U31E ASUS U31JC ASUS U31S U31JG U31S U31SD U31SV 07G016GP1875 07G016H71875 90-N191B2000Y 90-N1L1B2000Y