kW vs amps
Amps measure current; kilowatts measure power, which is what actually determines charging speed. At 240 V, power in kW is amps × 240 ÷ 1000 — so a 48 A charger delivers 11.5 kW.
Charger marketing mixes both units. Convert with kW = A × V ÷ 1000: 32 A → 7.7 kW, 40 A → 9.6 kW, 48 A → 11.5 kW, 80 A → 19.2 kW (all at 240 V).
Your vehicle’s onboard charger sets a kW ceiling. If the car accepts 10.5 kW, a 19.2 kW wall charger charges it no faster than an 11.5 kW one.