Sounds like 'that' plug is feed from inverter which takes 12V DC from batteries and 'inverts' it into 110V AC
No battery DC====No inverter AC
A bit of a load on an inverter.
Machine Voltage/Amperage - 120V, 60 Hz, 1300W, 10.5 Amp.
Is it time for your medication or mine?
2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31