Replacement High Capacity Battery for the GPSMAP 64, 64s, 64st, and Oregon 600, 600t, 650, 650t Handheld Outdoor GPS. The 2100 mAh capacity rating is 5% higher the original 010-11874-00 battery pack, translating to longer battery life per charge AND more total charge cycles for the lifespan of the battery pack. Made with premium Japanese power cells and manufactured in Taiwan.