Manual focus film cameras can be stored for the longest time in the dry box. (years...)
When you take them out. They work without fail. Super reliable.
i have the same experiences as with the TS. Phones, hifi, computers, calculator...... all suffered the same fate. My advise is to use them at least once every three months.
my first digital camera minolta was not touched for 5years or so, but it still works! i think every electronic products has their very own "personality" :sweat: for example, 2 electronic product with the same models have different kind of problems, not all of them are spartan.
i notice Lithium or NiMH batteries cannot tahan when store too without usage....either cant charge already or bloated up...my first pns' s circuit board died on me when i went for my in camp training(3weeks)....lucky got warranty to cover it....right now its 10yrs old after that repair and still working great with the original battery till date...
It's not the usage, it's the charge. Especially Li-Ion batteries must be stored at at least 60% charge level and must NOT be discharged deeply (e.g. by slow self-discharge).