(normal - Max:5.4V-7.5V / 13.2V-14.6V / 26.5V-29.2V). Lithium /LiFePO4/ lead acid (AGM,GEL,EFB, MF, Flooded, VRLA, SLA and wet battery. 1: Can't reach the maximum charging current?. (3 gears can adjust charging current, large current, fast charging) Problem. ).
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