How To Connect Boat Batteries In Parallel. We would strongly discourage anyone from connecting batteries in series or parallel applications if the batteries are not identical in age size and type. You have a very large short circuit.
Connect them in parallel with one another. Two Batteries Wired in Parallel. This video shows you how.
The second jumper wire connects the negative final of the first battery to the negative final of the second battery.
As was mentioned you cannot wire two batteries in a series and parallel configuration at the same time. Wire the batteries in parallel at the batteries and then try and make a series connection at the connector. Can I connect my new BLUETOP D31M in parallel with my one-year old Other brand Marine 29 series. You then connect a jumper wire from the safe bet final of the first battery to the safe bet final of the second battery.
