![Auxiliary battery isn't charging. Any suggestions? My inverter is cutting off because the Aux's voltage is low, and it isn't increasing without jumper cables, which tells me the starter battery isn't charging Auxiliary battery isn't charging. Any suggestions? My inverter is cutting off because the Aux's voltage is low, and it isn't increasing without jumper cables, which tells me the starter battery isn't charging](https://i.redd.it/jy6w70tfpxa91.jpg)
Auxiliary battery isn't charging. Any suggestions? My inverter is cutting off because the Aux's voltage is low, and it isn't increasing without jumper cables, which tells me the starter battery isn't charging
![W212 Auxiliary Battery What and Where? | Electronics and Audio | MBClub UK - Bringing together Mercedes Enthusiasts W212 Auxiliary Battery What and Where? | Electronics and Audio | MBClub UK - Bringing together Mercedes Enthusiasts](https://forums.mbclub.co.uk/data/attachments/108/108545-50f50c565b134e57effe4d6b12219e69.jpg)
W212 Auxiliary Battery What and Where? | Electronics and Audio | MBClub UK - Bringing together Mercedes Enthusiasts
![What Is An Auxiliary Battery Used For In Hybrid Electric Vehicles and Electric Vehicles? » NAPA Blog What Is An Auxiliary Battery Used For In Hybrid Electric Vehicles and Electric Vehicles? » NAPA Blog](https://knowhow.napaonline.com/wp-content/uploads/2022/07/Aux_battery_feature.jpg)