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12V Guru – add a 2nd caravan battery

Question up to a 12V Guru

Maybe one item that the guru may like to deal with is the addition of a caravan that is second to a preexisting caravan 12V system that presently just has one home battery pack. just What shall we give consideration to whenever assessing the ability to accept the extra battery pack, seeking the brand brand new battery pack, plus the fitting and wiring? For guide caravan, may i recommend a Jayco Silverline?

All the best, Bob Murray

12V Guru answers

Many thanks for the concern. Numerous RVers find one battery is not adequate to service their demands, specially for a van such as for instance a Silverline where there are lots of devices.

Join the batteries in parallel

To possess a two battery pack set-up, it is important to join the batteries in ‘parallel’ where in fact the positive terminals are connected together basically with all the negative. Use dense cable such as 8.4mm2 (AWG 8) and quality battery lugs. a synchronous configuration increases the capability of the system in Amps and maintains the nominal voltage at 12V DC, that is exactly what your van requires. Therefore, two 12V batteries that are 100Ah in this way gives you 200Ah capability at 12V https://www.hookupwebsites.org/xmatch-review/.

Maximise the worthiness of the system that is large

To increase the worthiness whenever installing a bigger system, make sure you have actually two batteries for the chemistry that is same age and also make. Various battery pack chemistries such as for instance AGM, gel, calcium have different charging voltage needs and also you could not get the two batteries correctly charged to behave as one. Likewise, a cycle that is deep in parallel having a beginner (cranking) battery pack are affected as you will find construction distinctions internally within these batteries.

Batteries obviously degrade with time and their capacity decreases, so a mature battery with a brand new one will likely not offer maximum performance. Continue reading

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