Appendix b – connection to multiple batteries – Sima Products STP-3000 User Manual
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Appendix B – Connection to Multiple Batteries
Identical batteries can be connected “+＂to“+＂and“–＂to“–＂ in a parallel for larger capacities while maintaining the supply
voltage of a single battery (See Figure 7). Do not mix batteries from different manufacturers or different amp-hour ratings in
parallel as battery life would be shortened.
NOTE: If different batteries or more than two batteries are needed, set up separate battery banks and use them separately.
Battery selectors are available from marine and RV dealers to select between battery banks. Switch to either bank or
disconnect all (See Figure 8.)
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