Can a car charger socket provide enough power for an internet modem (Huawei B593-S22 Wireless-N 4G / LTE Router)?

Eto sir un nakalagay sa wall adaptor nun modem
Input: 100-240V ~ 50/60Hz, 0.5A
Output: 12.0V = 1.0A

Any idea san nakakabili ng cable?

Thanks!