120W can be trusted. Cuma suspicious 30k maybe potential difference, current tinggi, heating, resistance etc. jdinya pengisian penuh dpt 3kali shj. Saya pakai Xiaomi 12tpro, 5000mah. So far ok la performance dia. Cepat cas, dan harga berpatutan dgn kualitinya, beli time sales. Harap dpt tahan 1~2yrs