1250mAh Li-Polymer Replacement Battery with Tools for Garmin Nuvi 200, Nuvi 200w, Nuvi 205, 205T, Nuvi 205W, Nuvi 250, Nuvi 205WT, Nuvi 255, Nuvi 255T, Nuvi 255W, Nuvi 255WT, Nuvi 252w, Nuvi 260, Nuvi 260w, Nuvi 260WT, Nuvi 270, Nuvi 265WT 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