Slow charging is gentler on the battery, but takes a whole night.
Tips
usage
EV-charging vocabulary. 慢充 (AC charging, ~6-8 hours full) vs. 快充 (kuàichōng, DC fast charging, ~30 min to 80%) vs. 超充 (chāochōng, 'super-charging' / ultra-fast). Most home wallboxes are 慢充; highway stations are 快充/超充.