You won't want to forget this lifesaver on your next RV road trip! This portable cell phone charger recharges your cell and mobile phone battery when it's running low so you dont miss a beat on the go. It recharges using a micro USB input cable (included), and it charges your cell phone through its USB output port using your phone's own charging cable (not included). Guaranteed up to 500 charges. It's perfect for those RV road trips and camping adventures. Stay connected while you're on the go!