... Product Name: Interchangeable plug adaptor battery charger, interchangeable plug charger, interchangeable adaptor charger, battery charger with interchangeable plug, charger with interchangeable adaptor Product Feature ... plug 5.5x2.1x10mm or other types5) LED indicator: Red on - output, off - no output.6) US plug, ... 4V, 8.4V, 11.1V, 12.6V, 14.8V, 16.8V travel battery charger. The MOQ each is 500 units. ...