... Product Name: Interchangeable plug adaptor battery charger, interchangeable plug charger, interchangeable adaptor charger, battery charger with interchangeable ... 7.4V,4.2V,3.7V,7.4V,11.1V,12.6V,14.8V,16.8V3) ... .7V, 4.2V, 7.4V, 8.4V, 11.1V, 12.6V, 14.8V, 16.8V travel ... 500 units.Paypal is welcome. Interchangeable plug adaptor battery charger 5V 12V 24V 3.7V 4 ... .2V 7.4V 8.4V 11.1V 12.6V 14.8V 16.8V 21V ...