Li-Ion-battery - 750mAh (3.7V) - for GPS, navigation system, sat, nav Garmin Nuvi / Nüvi 66LM - Electropapa
Garmin nüvi® 66LM Portable navigator with 6" screen and free lifetime map updates at Crutchfield
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nuvi 66 LM | Garmin
nuvi 66 LM | Garmin
ReadyWired USB Cable Cord for Garmin Nuvi 66LM, 66LMT, 67LM, 67LMT, 68LM, 68LMT - Walmart.com
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NewPower99 Battery Replacement Kit with Battery, Video Instructions and Tools for Garmin Nuvi 66LM : Electronics