Originally posted by noone
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Originally posted by noone
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Here is your clue. A 50 watt panel with 33 cells can only generate 3 amps of current. When applied to a 100 AH battery is a C/33 charge current. If you connected that panel to a 50% discharged battery it would take roughly 5 days to fully recharge the battery assuming the battery had no load on it. That by definition as I explained earlier is a TRICKLE CHARGER. To properly charge that same 12 volt 100 AH battery would require a 160 watt panel with a MPPT charge controller, or a 220 watt panel with a PWM charge controller. To recharge that same battery at 50% would only require 1 day with a light load, not 5 painful days without a load.
Originally posted by noone
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