 "Garmin GPS receiver battery - NiMH x 1" " Garmin 1 010-11874-00 Rechargeable Batteries CDW.com
"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." 
 "Garmin Rechargeable NiMH Battery for GPSMAP 64s/Oregon 600 Series GPS"@en-US Chargers & Accessories - Page 181 | All Tech Toys"@en-US "Batteries
"Rechargeable NiMH Battery for Oregon"@en-US 