HQRP 4-Pack Battery for Garmin Vivofit Vivofit-2 Activity Tracker Fitness Training Computer (2 Batteries for Training Computer + 2 Batteries for Heart-Rate Monitor) 010-01225-00 010-01503-00 + Coaster

Compatible with: Garmin Vivofit, Vivofit-2 Activity Tracker Fitness Training Computer Coin Lithium (2 Batteries for Training Computer + 2 Batteries for Heart-Rate Monitor)