FLA-20A 12V/24V 20A Smart Pulse Charger for LiFePO4 & Lead Acid Gel Battery Lithium Activation Wholesale Sales 12V / 24V 20A Intelligent Pulse Repair Charger, suitable for LiFePO4, Lead-acid and Gel batteries. Built-in lithium battery activation function Smart pulse charging mode, repair & maintain battery Support 12V/24V lead acid battery, 4S/8S LiFePO4 battery AC 150V-250V input, 50/60Hz, LCD digital display Compact size, easy operation, widely used for solar system,