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58 Freedom SW 230V Installation Guide
Battery Cabling and Hook-up Configurations
Battery Series-Parallel Connections
As the name series-parallel implies, both the series and parallel
configurations are used in combination. The result is an increase in
both the voltage and the capacity of the total battery bank. This is
common with all battery-inverter system voltages. The smaller,
lower voltage batteries are first connected in series to obtain the
necessary voltage, and then these “batteries connected in series”
sets are connected in parallel to increase the battery bank capacity.
See below.
Figure 21 Batteries in Series-Parallel Connections
12VDC
250 Ah
12VDC
250 Ah
12VDC
250 Ah
12VDC
250 Ah
24 V 500 Ah
Freedom SW 3K2K 230V InvChg Install Guide.book Page 58 Friday, June 20, 2014 9:11 AM