關於「3a 12v adapter」標籤，搜尋引擎有相關的訊息討論：

Feelworld DC 12V 3A Switching Power Supply Home Power Adapterfeelworld.ltd › products › feelworld-dc-12v-3a-switching-...DC 12V 3A AKKU Battery Charger AC 100-240V Adapter Power ...shopee.sg › ... › Components › Power SuppliesFacmogu DC 12V 3A Power Adapter, 36 Watt AC 100-240V