... Lead-acid battery charger adapts switching mode control, 3-stage charge technology and smart control. Features: 1) Works on switching mode, high efficiency; 2 ... between cells, caused by general charge with keeping the battery in best condition and improvesbattery's capacity and increase ... EVPC-36V-C, 2A, 41. 8V 9) EVPC-48 2. 7A 55. 2VPacking:Bubble bag, color box Battery Charger for Lead-Acid Battery