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TalentCell Rechargeable 72W 100WH 12V/8300mAh 9V/11000mAh 5V/20000mAh DC Output Lithium ion Battery Pack for LED Strip and CCTV Camera, Portable Li-ion Power Bank, Black : Amazon.co.uk: Electronics & Photo
Nitecore 18650 USB Rechargeable 3600 mAh Li-ion Protected Battery – Torch Direct Limited