The LG G4 charges the battery from zero to 60% in 30 minutes.
Yes, you read right. The LG G4 has the Qualcomm`s Snapdragon 808 chip that enables the Quick Charge 2.0 feature that allows to charge the battery from zero to 60% charge in 30 minutes.
You can see all the devices from different brands that runs the Quick Charge 2.0 on the Qualcomm site.
Finally the LG G4 smartphone has both a removable battery and supports fast charging.