Energizer CR2 Lithium Batteries (2-Pack), 3V Photo Batteries EL1CR2BP2 - The Home Depot
VANELC Range Finder for Target Shooting,Range Finder Golfing,650 Yards Golf RangeFinder with Range/Golf Flag Lock/Speed/Scan Continuous Modes, 8X Laser RangeFinder,Free CR2-3V Battery,Carrying Ca - Walmart.com
Cr2 : Camera Batteries, Chargers & Adaptors : Target