inputs.text: upstart battery good helpful company - not sure many stars deserves 5 stars upstart still not sure battery know previously existing garmin 800 855 reviews no longer existing gps appeared garmins biggest problehem prompt ehemail exchanges received batteries 2 times 2 ehemails 2 batteries different batches not work fluke test equipment told 2 good batteries gps worked best no battery including original battery battery reviews say batteries work 800 series gpss purchased new garmin gps found new much better upstart ended refunding money