For the battery charging circuit connected in series three “lithium polymer” LiPo batteries switched (switch mode) as fast as can be recharged. 3 of series-connected batteries rechargeable S1 segment with a key charging current 350-milliampere 530-milliampere 720-milliamp-1000-milliampere between can... Electronics Projects, LM2575 Switched Lithium-Polymer Charging Circuit "battery charger circuit, power electronic projects, " Date 2019/08/02