Wearable power supply comprising a master cell and a slave cell

TDF Ford - US Patent 9,413,181, 2016 - Google Patents
There is disclosed a universal power pack, power supply and battery harvesting device.
Generally, each comprises a receptacle for receiving at least one battery or battery pack …

Battery harvester

TDF Ford - US Patent 9,912,175, 2018 - Google Patents
US9912175B2 - Battery harvester - Google Patents US9912175B2 - Battery harvester -
Google Patents Battery harvester Download PDF Info Publication number US9912175B2 …