This car DC Adapter will allow you to power your device using your lighter

This adapter features the flat micro USB connection on your phone.  Power-on light, coiled cord that expands to five feet long.

Fits many models including:

Blackberry Curve: 9350, 9360, 9370, Touch 9830

Dell Streak

HTC: HD2, Hero, Legend, Wildfire

LG: Ally, Fathom, Vortex, Vu Plus

Motorola: Adventure, Charm, Cliq, Cliq XT, Clutch, Devour, Droid, Droid 2, Droid 2 Global, Droid 3, Droid Pro, Droid R2-D2, Droid X, Droid X2, Entice, Evoke, Grasp, Hint, i1, i576, i776, Karma, Milestone, Photon 4G, Quantico, Renegade, Rival, Triumph, Xprt

Nokia: 2705 Shade, 2720, 2730, 3711, 5130 Xpress, 5230, 5230 Nuron, 5530 Xpress, 5800 Xpress, 6350, 6750 Mural, 6790 Surge, 7020, 7705 Twist, C3, C6, E5, E63, E71, E71X, E72, E73 Mode, N71 Mini, X3, X6

Samsung: Behold II, Captivate, Craft, Epic 4G, Fascinate, Galaxy S, Intercept, Mesmerize, Moment, Mythic, Omnia II, Reality, Showcase

Sony Ericsson Xperia X10

TomTom Start Europe: 20, 25, 60
TomTom Via: 1405, 1435, 1500, 1505, 1535