
Originally Posted by
drivesafe
Hi Franz and sorry, I missed your post.
Because my isolators remain on, in some cases, for years at a time, they continue to consume battery power, and even though this is quite low, they still draw power.
If the vehicle is used on a regular basis, as is the case with about 95% of the vehicles fitted with my isolators, then there is no issue.
If on the other hand, the vehicle is only used once a week, or less, which is commonplace in Europe, and becoming more common here, then the isolator just uses power for no reason.
Starting with the original program for the USI-160, where after the motor is turned off and once the common voltage drops below 12.6v, one of the two relays is turned off, to reduce energy use.
But the ABG-25, the DT90 and now all USI-160 isolators produced since December last year, all have an automatic Time-Out feature, where even if the voltage is above the 12.0v Cut-Out voltage, these isolators turn of after a pre-set time period, thus saving battery energy.
The SC80 does not yet have this feature, so if you do regularly leave your vehicle unused for weeks at a time, then by fitting a small switch in to the SC80’s negative wire, you can turn it on and off as needed.
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