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rvshrinker's avatar
rvshrinker
Explorer III
Jan 29, 2024

replacing 6V deep cycle marine trailer batteries

Hello, my trailer purchased oct 2017 has its original two “GC2 Deep Cycle Extreme” Interstate batteries “115 mins @ 75 amps 225 Ah @ 20 Hr” wired in series and even though we haven’t had any performa...
opnspaces's avatar
opnspaces
Navigator II
Jan 30, 2024

If you're looking to stay with the 6 volts like we've been discussing in the other post then the above are the wrong batteries as they are 12 volts and would have to be wired in parallel not series. Costco typically only has one 6 volt battery, the GC2. I'll link it but if the link fails, search Costco for GC2 battery.
Link

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