john gardener wrote:hi,had a look at the search,and it seems ive used the term leisure battery wrongly,all im after is getting extra cranking power for starting the engine.
i use a genny while im away for my power source.
so how do i get 2 fat wires into the 1st batteries connectors,and is what i said in my 1st post ok and safe,thanks john
The battery terminals with the two screws to grip the wire usually have enough room to squeeze two cables in (generally from opposite sides though) unless you're using very thick cable.
Alternatively, battery terminal post clamps are available with a short vertical threaded stud and wingnut, which you can attach "eye" terminals to. Quite common in marine installations.
If you just parallel two batteries, remember they MUST be identical, otherwise they will "fight" with each other.
Much better to keep them separated with a splitting diode (or similar) for charging, and use a switch or solenoid to join them when needed (like a jump start).
Cant you make room for one bigger battery
.
Alan
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