Apple M1 is operating at 3.2GHz, the M1 chip has over 1700 single cores and a multi-core score of around 7500, faster than the high-end 16-inch MacBook Pro model released in 2019.
Apple uses Lithium-ion batteries. The correct percentage of battery is between 30 to 70 per cent for the charge. For long-lasting use, Lithium batteries should not be charged to 100 per cent or drained to 0 per cent because these levels can harm a battery in the long run.