Are rechargeable luggage scales worth paying extra for?

Verified-purchase reviewers on amazon.com and walmart.com are split. The upside cited is no coin-cell hunting before a trip; the downside cited in community threads is that USB-C scales can self-discharge if left in a drawer for months, defeating the point. Coin-cell models like the sub-$15 Etekcity and Travel Inspira are still the volume leaders for a reason.