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18650 Twin Battery Holder Box With DC Plug ON/OFF Switch 2x18650 Lithium Battery holder Case by HAYATEC (2 Boxes, With ON/OFF Switch): Amazon.co.uk: Electronics & Photo
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18650 Twin Battery Holder Box With DC Plug ON/OFF Switch 2x18650 Lithium Battery holder Case by HAYATEC (1 Box, With ON/OFF Switch): Amazon.co.uk: Electronics & Photo
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Waterproof 18650 Battery Pack Case USB 5V DC 8.4V 12v Battery Box - Lithium polymer Li-polymer 3.7V Custom 18650 Lithium Ion battery pack, 18650 batteries, battery housing China manufacturer 10 years-Great Power
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