DIY FM Transmitter Wireless Radio Kits Price: ~AU$9.43 https://www.icstation.com/stereo-transmitter-module-wireless... DC 5.6V-14V to DC 4.8V-5.6V Step-Down Module, 3 USB Port Charging …
DC 8V-35V to DC 5V 8A Step-Down Module, 4-Port USB Output Mobile Phone Car Charger Module Price: ~AU$11.23 https://www.icstation.com/power-step-down-module-port-output... Dual Channel Digital Power …
These are a dual usb output, both ports are 2.4a. Originally $44.95 in DS (no wonder they didn't sell), Then went down and down as we got towards the end, now listed on the site @ $2.25 but …
ICStation 5A Constant Current Voltage Step-down Module CCCV http://www.icstation.com/icstation-constant-current-voltage-... ICStation MINI USB 1A Battery Charging …