You expect someone buying proton emas 5 with at RM60k to spend almost 10% of car price to upgrade 3 phase? 😂

Expect more tnb fire issues.
The right way to address any charging capacity constraints without breaking the bank for 1-phase homes is to ensure
1. Proper installation by competent person with right size fusing
2. Load balanced wall charger which measures incoming current and lowers charging current accordingly. Feyree charger with such features is affordable.