vintrons 1100mAh Battery For Garmin Nuvi 30, Nuvi 40, Nuvi 40LM, Nuvi 50, Nuvi 50LM, Please ensure both model and battery part number are matched with your device. - Compatible Model: GARMIN Nuvi 30, Nuvi 40, Nuvi 40LM, Nuvi 50, Nuvi 50LM, - Compatible Battery Part Number: GARMIN 361-00056-00, - RoHS approved for toxic free. - CE and ISO9001 Certificate for quality assurance.