Use original charger for battery charge.
Charge your battery in suitable temprature.
Don’t charge via USB port. because battery efficiency becomes low.
If you on baatery saving mode and connect the charger, battery chrges very fast and efficiency increases.
If you are charging your battery, turn off your data connection and off GPS.
In battery charging time power supply of main electric power supply should be 200 v. to 240 volt.