Spare batteries for heart rate monitors When you buy a battery make sure that it is compatible with your model of heart rate monitor.
Forerunner® 310XT Forerunner® 405 Forerunner® 405CX Forerunner® 410 Forerunner® 910XT
AC Charger and International Adapter Set
For the car. Conserve battery life.
Charge or power your compatible device while on the move with this adapter.
Charge your sport watch on the go with this 12-volt vehicle charging clip.
It includes 2 AA NiMH batteries and international adapter plugs for the U.S., U.K., Europe and Australia.