Look close or-------------
Look or on the TV antenna amplifier board, where you turn the antenna off/on. There should be a 12VDC female connector. Or go to Walmart purchase a 110VAC wall charger for your phone, very cheap!
Opps, went back and read your original post where you said BOON DOCKING!
Try charging in tow vehicle at night!
Sid, Lois & HRH MISSY Terrible 2s SHIH TZU
2011 ROCKWOOD 8285 WS
2014 F-250 KING RANCH PS/SD/6R140/BFT
BOLIY PRO 3600SI GEN
DAYS CAMPED 2016 57 DAYS