BSC IP65 goes to storage state after battery charge goes up a few percent. I’ve tried unplugging/replugging in the charger, and after about 30 minutes, it goes to Storage again, after only adding a few percentage to the battery charge
Do you have a large voltage drop between the charger and the battery due to poorly wiring, too small or too long or a loose connection. These will fool the charger into thinking the battery voltage is higher than it really is. Use a multimeter to check the battery terminal voltage and compare to the quoted charger voltage.
I have 2 li-on batteries completely disconnected from each other, and the trailer. The only connection to the battery is the charger itself, and these are connected using wing nuts, so it is a tight connection. The charger exhibits the same behavior on both batteries. I have finally gotten both batteries to 100%, so I don’t think checking the voltage now will help