The smart and powerful li 41c charger was specially created for the li 40b42b rechargeable lithium ion batteries it has a charging time of approximately 210 minutes and has a rated input of 110v to 240v so can be used all over the worldlithium ion battery charger for the mju 700 mju 720sw mju 790 mju 820 mju 830 mju 1200 fe 150 fe 280 fe 290 fe 300 fe 500 sp 700 and ir 300 digital cameras