1250mAh Li-Polymer Replacement Battery for Garmin Nuvi 300, Nuvi 300T, Nuvi 310, Nuvi 310D, Nuvi 310T, Nuvi 350, Nuvi 350T, Nuvi 360, Nuvi 360T, Nuvi 370 High Quality, high capacity, light weight rechargeable battery No memory effect. Can be charged or discharged as needed without loss of capacity. Overcharge protection, with built-in battery life microchip. Compatible Part #s: 361-00019-02, IA2B309C4B32, 010-00538-78