Forum Discussion

Freep's avatar
Freep
Explorer
Jun 06, 2019

Weird thunking sound when charging lifeline AGMs

We went out for a quick weekend trip with no issues and I plugged the camper in when we got home. At some point over the next week the AC outlet tripped its circuit breaker and I drained my two 100 AH...
MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Jun 06, 2019
Multiple coincidences point to a problem.

  • Disconnect power from batteries
  • Take an image of wire connections
  • Disconnect batteries from one another
  • Take individual voltage readings from each battery
  • Wait three days
  • Take another voltage reading from both batteries
  • Do not reconnect
  • What did you find?

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