Gadgets & electronics · lapsed Aug 28, 2026
Doorbell Battery Systems
(57) Abstract
Doorbell systems can communicate wirelessly with remotely located computing devices such as smartphones, laptops, gaming consoles, and streaming media players. In some embodiments, doorbells comprise a camera, a speaker, and a first battery. In several embodiments, a battery pack comprises a second battery and is electrically coupled to the doorbell. A battery charging system can electrically couple the second battery to the first battery such that the second battery is configured to recharge the first battery.
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