wkao 8.4V Battery Pack with USB and Dc Outputs, 4 X 18650 Battery Housing, Led Indicator, Includes Straps &, Waterproof Design, 4.5 X 3.1 X 2.2 in

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  • Simple assembly comes with built-in connection wires; easy to secure using straps and touch fasteners; saves time with setup
  • Durable and portable waterproof packaging designed for outdoor resilience; compact measurements of 4.5 x 3.1 x 2.2 in for hassle-free transportation

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