Amazon.com: UpBright Global 7.5V AC Adapter Compatible with Ktec Model KA12D075030024U KA120075030024U 7.5V DC 300mA 7.5VDC 300 mA DC7.5V 0.3A 7.5 V Class 2 Transformer Power Supply Cord Battery Charger Mains PSU :
Ktec KA12D120035034U Power Supply AC Adapter Charger 12V 350mA | eBay