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18650 Battery Case Holder 3 Slot Series Batteries Clip Box 3.7V Household Battery Holders

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Product description

  • Metallic spring with pin design for easy install and convenient for electric circuit DIY work.
  • Great items for keeping your standard or rechargable batteries together and safe.
  • Easy soldering and installing.
  • Output voltage DC 3.7V.(Do not touch the red black line.) Serial/Parallel connection, safe and easy to use.

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