Garmin most likely is using lithium based battery. Such battery is recommended to be not fully charged and left like that for long period…. timed1 over 1 year ago +1. What Mr Z said is correct but I will add my version (more detailed). It all comes down to how many years do you plan to keep the watch, if you usually keep it for 4-5 years Replacement Watch Bands for Garmin fēnix 3 HR | Garmin Customer Support. FREE GROUND SHIPPING ON ORDERS $25 AND UP. Garmin Support Center is where you will find answers to frequently asked questions and resources to help with all of your Garmin products. SLCBATTERY 230mAh Battery Replacement for Garmin Fenix 5, Fenix 5S, Fenix 5X, P/N 361-00097-00, 361-00098-00 1250 milliampere hour. 500 milliamp hours. 200 I like the Fenix 5x mapping much better than the Fenix 3. The Fenix 5x also has some additional sport/fitness settings that will be fun to try. That being said the Fenix 3 is a solid watch - the battery life and data collected is VERY impressive. Fenix 3 HR versus Vivoactive 3. Hi all, I'm looking to upgrade my Android Wear watch as I'm looking for something more robust for fitness tracking. I've been patiently waiting for the VA3 slate to appear for ordering ($329) and have found a refurb Fenix 3 HR for $342, so about the same price. I've actually patiently been waiting for over a year The Garmin Fenix 3 HR lets you assign certain functions to its physical buttons. This works for pressing and holding of the Start and Down keys, with a possible function for each. For example you Garmin Golf Eco-system. With our commitment to develop innovative golf technology, our product line goes beyond GPS golf watches, range finders and speed-measuring trainer for swing practice to also include launch monitor, golf accessories and Garmin Golf App, this represents our all-round effort to build an ecosystem of products to enhance golf technology, enabling users to play with strategy For £449 ($599, AU$849) you could pick up a premium Fenix 3 Sapphire edition with extra-tough glass on the face (hence the name) and an additional metal strap, although that's now down to around E13GJUa.