Published by at 24 de julho de 2026 The input is DC 5V 2A, output is 7.4V 1000mAh, connector is USB to SM-3 PIN Plug. Connector Type Used on Cable USB. Compatible Devices Charging Adapter. Size SM-3P_1. Mfr Part Number B-7.4V-SM-3P. Model Number B-7.4V-SM-3P.