for Garmin Nuvi 40 42 42LM 44 52 52LM 54 54LM 55 55LM 55LMT 56 56LM 56LMT 2559LMT 2589LMT 2639LMT 2689LMT 2699LMTHD GPS 10W 2.1A Dual USB Ports Wall Home House AC Charger w/USB Cable High Performance 10W Dual USB AC Home Wall Charger Adapter Dual USB sockets allow you to charge 2 devices at once. Simply use a compatible usb cable for your device to get charge up from this charge IC Chip recognizes a full battery & automatically switches to saver mode. Input: AC100-240 Volts, Output: 5.0V ~ 2100mah