batteries (1 Viewer)

stevehymer

Free Member
Aug 18, 2014
1
0
Funster No
32,881
MH
A class Hymer
Exp
since 2004
Is 27amp wire good for connecting two 12v batteries under seats on my Hymer.
 

scotjimland

LIFE MEMBER
Jul 25, 2007
2,076
8,979
Suffolk Coastal District, UK
Funster No
15
MH
Timberland
no idea what size 27amp cable is.. cable is sized in mm2 ..not amps.

to size accurately you need to know length and max current ,

for example.. 1 mt length and max current of 50 amps requires 25mm cable
increase the length to 2 mt , same current and to keep losses the same, you need 35mm cable

in any case.. interconnecting battery cable should be at least as heavy as the main battery feed cable..

useful sizing tool
http://www.solar-wind.co.uk/cable-sizing-DC-cables.html
 
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