Many listings specify protections such as temperature control, over-current protection, and over-voltage protection. Replacement watch chargers in the listings specifically mention over-voltage and over-current protection. Exact protection features vary by model—check the product details for each charger to confirm what protections are included.

Product details list input/operating voltages of 5 V, 9 V, and 15 V across different models.

Common form factors include upright charging stands, dock/cradle-style watch chargers, and flat magnetic watch chargers that snap the watch into place.

Packages often include a USB cable and sometimes a wall power adapter (USB power block). A few listings also list the wireless stand itself and a user manual among the included items.