This is a brand new HP ENVY 15-AE100 battery. There is a similar battery called the HP MC06 battery which has 6 cells in it rather than 4 like this one. Please note that they are NOT interchangeable. The MC04 is 14.4 or 14.8 volts. The MC06 is 10.8 or 11.1 volts. Please ensure that the voltage on your battery is 14.4 or 14.8 Volts before you order this battery. If your battery is 10.8 or 11.1 volts you'll need to order the MC06 replacement battery.

This means you can recharge your HP ENVY 15-AE100 Battery any time without diminishing your battery capacity. This HP ENVY 15-AE100 battery is typically superior to the original battery and is 100% compatible with your hp MC04 notebook computer. Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

Check your current battery to ensure you are ordering the correct battery. It should match the picture above. This battery will provide about 2 hours to 4 hours of run time with this HP ENVY 15-AE100 battery when new, depending on your energy use.