Originally Posted by
datlas
Have you noticed how much of a drain it is on your computer battery? That's my one concern, the Garmin 130 has a pretty piss-poor battery life and if this think is a huge drain that may be a bigger problem. I know it has to drain the battery some, obv.
I get about 20-25 hours per charge of my 530 using an array of sensors including the Varia. I generally charge them both up at the same time.