It turns out Lightning-based accessories can be pretty inexpensive when they're made without Apple-certified connectors. Released by i18 Technology, a sub-brand of computer peripheral maker nMedia, the new i18-A-5L iPowerStation ($20) costs the same as one of Apple's cables alone, yet also provides a stand for your device while allowing it to charge, too. Available in black, white, or pink plastic, the unit plugs directly into a wall outlet thanks…