Category: Auto Parts & Supplies
Bestek. through Amazon has their Bestek Car Power Inverters w/ 2x USB Ports on sale listed under from $13 whenever you apply the corresponding promotion code at checkout. Shipping is free with Prime or on orders $25+ (calculated earlier than promotion code).
Thanks to Deal Editor iconian for locating this deal.
Available Options:
300W w/ 2x AC + 2x USB $22.99
Black w/ promo code PFS9GE2S
500W w/ 2x AC + 2x USB (Blue) $32.99 w/ promo code QXQTMIWA