inputs.text: works garmin 305 forerunner - garmin 305 battery kept getting weaker finally died starting full charge mile 8 half marathon based couple posts online decided try replacing ipod mini battery works great two weeks running two full charges battery lasts 7 hours yeahdirections 1 work putty knife around seam face glued back pry face watch 2 clip old battery close battery possible 3 clip plug new battery close plug possible 4 connect matching colored wires battery extra white wire ignore 5 solder wires wrap electric tape 6 replace face make sure watch turns 7 reseal clear silicone adhesive wrap rubber bands adhesive dries