connecting two leisure batteries (1 Viewer)

[PhilandMena]

Hi, I have one leisure battery with a couple of red wires going to one terminal, of which one is fused ( I guess this is to do with charging and/or supplying power to auxiliary equipment in the Motor Home) and a single black wire to the other terminal. I’m about to add another battery of the same size and output! Would the correct method of connection be to leave the red wires already attached and disconnect the black wire and connect it to the corresponding terminal on the second battery and then add a new red and further black cable between both batteries? i.e. red to red black to black with an additional fuse (30 amp) on the red.
Does this make sense! And if so why!

Thanks in advance,
Philip

 

[Peter JohnsCross MH]

Hi Philip,

You have it in one although there is no need for an extra fuse providing it is the main output lead.

Peter

 

[sinbad1]

Hi, I have one leisure battery with a couple of red wires going to one terminal, of which one is fused ( I guess this is to do with charging and/or supplying power to auxiliary equipment in the Motor Home) and a single black wire to the other terminal. I’m about to add another battery of the same size and output! Would the correct method of connection be to leave the red wires already attached and disconnect the black wire and connect it to the corresponding terminal on the second battery and then add a new red and further black cable between both batteries? i.e. red to red black to black with an additional fuse (30 amp) on the red.
Does this make sense! And if so why!

Thanks in advance,
Philip

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