Battery Isolater concerns
there appears to be a new type of isolater which is voltage sensitive. it allows charging from both sides alternator or converter Clicky alot of people talking about matching batterys, but wh...
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YC 1 wrote:And the BIRD has been around for at least 10 years. This device might use different technology, but it's certainly not a new type of device.
That appears to be a simple BIRD. Bi directional relay delay.
Do a search and you will be reading all day.
There are several devices such as this one available.
Addressing the question of mismatched batteries getting suddenly connected to each other, the potential is there for a problem. In my Fleetwood installation, there's a 150 amp fuse in the interconnection. There have been a few cases I know of where the chassis battery was totally dead, and the fuse blew when the coach battery became suddenly connected to it. In typical operation, the charging source starts bringing up up one battery. When the interconnect kicks in 30 to 60 seconds later, the first battery sometimes discharges into the second battery for a few seconds, but after 30 seconds they are both happily charging from the charging source.
