You just set up your equipment for the first dive of your vacation in Saint Somewhere, as you press the activation button on your dive computer it goes through the diagnostic screen and what do you see the no signal Icon appears. The worst thing that can happen on a tropical vacation has just happen Your Hose-less Transmitters battery is dead No Dive Computer. Don't leave on a vacation without spare batteries, why ruin a great holiday because of a few dollars in batteries. Always pack some spares, don't forget your Dive Light needs some Too!
This 3.0 Volt Lithium Battery is compatible with the transmitter for the following Suunto dive computers
D9tx, D6i, Vyper Air, , Helo2
It's also compatible with the transmitter for the following "discontinued" dive computers
Suunto Vytec, Vytec DS, D6 & D9
Uwatec's Smart Tec & Smart Z