MPPT Disable: Solder J1 Pad. DC-DC Step-down Charging Module for 1.5-25V Li-ion/Li-po/LiFePO4/Lithium Titanate Batteries. Lithium Titanate Batteries. 1-6Cells 3.6V LiFePO4 Battery. Charging current: 1A/2A/4A optional.
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