Amazon with NexaLevel has the LISEN 4-in-1 up to 75W Retractable USB-C / Lightning Car Charger on sale for $19.99 - 50% off with coupon code 5II2FLMM at checkout = $9.99 with free shipping on $35+ or with Prime. Besides the two retractable cables, also includes one USB-C port and one USB-A port.