For a 12V setup a 20Ah battery (either a single one or several smaller parallelled), you basically wouldn't need a charger if you have a 10-15W amorphous solar panel to keep them topped off.
At any rate, 20Ah should give you about 60-80 hours total running at maximum music output at 12V. So at the most you're looking at having to recharge the batteries maybe once a week if you remember to turn it off in between listening sessions.
Any battery charger that can charge 12V batteries would do for that, just disconnect it after ended charging.
At any rate, 20Ah should give you about 60-80 hours total running at maximum music output at 12V. So at the most you're looking at having to recharge the batteries maybe once a week if you remember to turn it off in between listening sessions.
Any battery charger that can charge 12V batteries would do for that, just disconnect it after ended charging.
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