SOHC.co.uk Forums > CB750
Battery oximiser
Pauarc:
What are your thoughts on battery oximiser good or bad been given one can you leave connected all the time when bike not being used
paul G:
I found that if they are left connected all the time they dry out the battery (lead acid).
I have 4 but don't use them anymore.
I take the batteries off and just give them a top up charge every now and again.
They are kept in a box I made so they are not exposed to very cold temperatures over the winter.
Spitfire:
Not used that one, but my CB750F1 is always hooked up to my Optimate III which probbaly does the same thing as the one in your photo, I just leave the tail on the bike and hook up and disconnect when needed. But as said whatch the acid level as I did have one dry out a few years ago.
Cheers
Dennis
McCabe-Thiele (Ted):
There are quite a few versions of what I call Smart Chargers - that looks like one of them.
I have a couple of C-Tek units my first unit is now 19 years old. It is connected to our little used car for about 10 months of the year 24/7 never had an issue with the battery drying out. I suspect that is due to it being a very low output unit sold as a Merc Part for liitle used vehicles
I bought a clone version from Aldi that went faulty after about 18 months - the mode button failed.
I replaced that with the MXS-5 version mainly for car batteries but it has a bike mode so I use it for regular bike top ups - works with Lead Acid, & AGM. Due to the small capacity of bike batteries I do not leave them on once the battery is fully charged as indicated on the units traffic light type system.
Skoti:
Got a cheapo trickle charger from Lidl plugged in via a timer switch, which is set for 1 hour per day and that seems to work fine.
As Paul mentions it's also a good idea to bring your batteries in from the cold during winter, as severe frost will bugger them if they are in a low charge state.
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