Batteries Holder,18650 Waterproof Battery Pack Case House Cover,8.4V Battery Pack Case,USB/DC Double Interface for Bicycle Bike Lamp for Bike Light Headlamp Cell Phone, 18650 8.4V Battery Pack Case

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Product description

  • Waterproof Battery Case ---The Rechargeable Waterproof 18650 Battery Case is special designed for Cycling Bike light Headlight, with DC and USB interface; DC interface is for connecting 8.4V Bike light, USB interface suitable for connecting 4.2v Bike light head lamp, or charge cell phone in emergency. Bicycle USB DC dual interface 18650 waterproof battery box t
  • Power Status Indicator Showing ---Turn on the Blue Switch, 3x Blue Indicators will showing you the batteries power status inside Three lights lit on(power 80%). - Two lights lit on(50% Üpower Ü80%). - One light lit on(runtime Ü30minutes, need change batteries or charge batteries).
  • Easy to Use ---You can use two or four 18650 lithium battery.With the phone charging function. With a power display function.
  • Standard 5.5 DC Jack ---the outer barrel diameter is 5.5mm, inner Dia. is 2.1mm.,Output voltage 8.4V, Input voltage 8.4V. to battery delivery
  • Material ---Durable Plastic, Light Weight and Waterproof; Case Size 9x 6.7 x 4.8cm.

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