Battery with Tools for Garmin Nuvi 200 200w 205 205T 205W 250 205WT 255 255T 255W 255WT 252w 260 260w 270 3.7V 1250 mAh Battery High quality, high capacity, light weight rechargeable battery No memory effect. Can be charged or discharged as needed without loss of capacity Overcharge protection 1 Year Manufacturer Warranty