NiMH Battery Pack Garmin's NiMH Battery Pack is used for the GPSMAP® 64 Series and Oregon 6xx Series units. Long-lasting rechargeable battery pack - more convenient and easier than choosing two AA batteries. NiMH battery pack can be charged by the Oregon - simply charge your Oregon using AC Adapter or USB cable on your computer and your battery pack will be back to full charge for extended use. Compatible Devices: * GPSMAP® 64 * GPSMAP® 64s * GPSMAP® 64st * Oregon® 600 * Oregon® 600t * Oregon® 650 * Oregon® 650t Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov].