Even in a commercial environment, the batteries eventually go dead. Will they go dead faster because of lack of use? Depends on what exactly 'occasionally' means in your case. If it means rarely, then get an adapter.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/russell_1d1c35fa8a5a0be4
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Even in a commercial environment, the batteries eventually go dead. Will they go dead faster because of lack of use? Depends on what exactly 'occasionally' means in your case. If it means rarely, then get an adapter.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/russell_1d1c35fa8a5a0be4