Arkare12V Power Supply 2A AC/DC Adapter 12Volt Wall Charger Replacement Power Cord AC 100V-240V to DC 12Volt 2A 1.5A 1A Converter for Security Camera BT Speaker GPS Webcam Router Scanner with 10TIPS Belker 12V 3A 2.5A AC DC Power Adapter Supply Cord Wall Charger for 12 Volt Electronics - 3000mA Max. No you cannot use that because it is actually exceeding the current rating. Can I use 5V 1A for 5V 2A? If you use 5V 2A for the use of 5V 1A, it will work. There will be a dip in the output voltage if you operate a load of 2.5 A rated value. Can I use 12V on 5V? The device will very likely burn out. BuyHiseeu 3ft AC 100-240V to DC 12V 2A Power Supply Adapter Switching for CCTV Cameras DVR NVR LED Strip 5.5mmx2.1mm FCC: 12V 1A/1000mA 10ft Long Power Supply Adapter, 12W Adaptor AC to DC Adapter Cord for LED Strip Lights, Keyboard, BT Speaker, Router, Monitor,Webcam, DVR, NVR, CCTV Camera, UL Listed CanI use an AC adapter with higher amps? Yes, sure. If the connector is the same and the voltage is 12V. The ampere value of the new power adapter should be 2A or greater. Can I use 5V 2A for 5V 1A? The adapter works perfectly if the rated value is stated on it. If you use 5V 2A for the use of 5V 1A, it will work. .

can i use 12v 1a for 12v 2a