Whats the difference between output 12V 2A and output 12V 2.4A? - Quora. Something went wrong. 12V5V power supply circuit using 7805 and LM7812. Look at the circuit below. This can deliver DC voltage of 5V and 12V at 1A. Since the CD-ROM drive is electronics part that required a regulated power supply. So, we use a 3-Terminal 1A fixed-voltage integrated circuit,7805 and 7812. RTech12V 1A Power Supply, Power Adapters, Lighting Low Voltage Transformers 5 Pack, UL-Listed, Power Cord with 5.5x2.1mm Tips, AC 100-240V to DC 12V 1A for LED Strip Light, Camera, Router, etc. 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 PowerSupply 12V 1A 2A 3A 12 Volt Adapter Lighting Transformer 220V 12V AC DC Plastic LED Driver 110V 240V 12V 2A for LED Strip . MJJC LED Light Store. US $ 2. 35. 500+ sold 4.6. AC 110-240V DC 5V 6V 8V 9V 10V 12V 15V 0.5 1A 2A 3A Universal Power Adapter Supply Charger adapter Eu Us for LED light strips . 14-day delivery on US $8. Canyou use a 12V 1A sealed lead acid battery charger on a circuit that requires 12V 1A? The battery is more likely to be marked 12 v 1 Ah, meaning 1 amp-hour, so it can supply 1 amp for an hour JCRuz.

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