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I have two 12 V 100 Ah SLA batteries that will be connected in parallel (recommended by Will Prowse, https://www.mobile-solarpower.com ) to be monitored by a SmartShunt. Is it correct that I would set the SmartShunt battery capacity setting to 200 Ah? Any comments on my off-grid cabin design are welcome as this is my first solar system install.
200 correct.
Take the positive load from the left battery.
Wire the charge +ve input to there as well.
@kevgermany Thanks. The 'charge +ve' is what? the charge controller? I have a DC Fuseblock (with in-line fuse), Pure Sine Inverter (on same in-line fuse) and a Charge controller (with in-line circuit breaker), all going to the same positive terminal?
Use DC busbars where you connect everything: batteries - each connected and fused separatelly on its positive wire (and battery disconnect), MPPT charger - with a fuse on positive wire, inverter - with a fuse on positive wire, DC fuse block - also itself fused, SmartShunt (with the battery negatives wires on one side and the negative busbar for loads and chargers on the other side).
Did you find out if the smartshunt is total bank capacity or if it's usable capacity?
