Important Note. –  Capable Battery Health 45% 

Standby upto 2 Hours (Maximum Charge storage 45%).

For upto 2 Hours Standby, it will use 30-40% Charges for that and this laptop will shut down. DON’T CHARGE MORE THAN 45%

8 GB 1600 MHz DDR3

1.6 GHz Dual-Core Intel Core i5

MacBook Air (13-inch, Early 2015)