Appreciate anyone that can advise me on this. I’ve got an older SAAB that is rarely used so would like to use a trickle charger to keep the battery safe. My service station advised this route rather than disconnecting battery terminal as SAAB electrical systems are a bit finicky. Tried to use my Porsche trickle charger but it does not fit into the SAAB outlet. Does SAAB sell a trickle charger or is there an aftermarket source that can supply? Many thanks!