The Essential Gomadic Car and Wall Accessory Kit for the Sandisk Sansa E250 - 12v DC Car and AC Wall Charger Solutions with TipExchange This Gomadic Car charger has a wide input voltage range of 12-24vDC to support all vehicle charging ports. Works in cars, trucks, planes, boat, RVs and more (both domestic and international). Available output current is an impressive 10W/2A . (Twice most competing products!) Gomadic Wall Charger is built to support worldwide voltage input levels ranging from 100-240vAC /50-60 Hz. High output 10W /2A transformer provides output voltage and resistor configuration specific to the Sandisk Sansa E250. Gomadic TipExchange Technology protects your investment by allowing you to change/upgrade either charger by simply swapping the physical charging tip. (Charging tips for Sandisk Sansa E250 included with additional tips sold separately). Specification: Wall Charger: Dimensions: (2.0 X 1.75), Cable Length: (50), Power Input: (110-240vAC), Output Power: (Sandisk Sansa E250 Specific); Car Charger; Dimensions: (1.75 X 0.5), Cable Length: (42), Power Input: (12-24vDC); Output Power: (Sandisk Sansa E250 Specific). A select best-selling product bundle from Gomadic Corp, one of the leaders in consumer electronic charging accessories since 2001.