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Roav R3120 Questions & Answers

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2 Questions
  • User Non avatarHcook11223 months ago

    how long does it take to recharge the unit and how often should it be recharged.

  • User Non avatar #115440 Asia3 months ago

    Charging this battery only takes about 2 hours. If it is less than 50% charged, it may not be able to start your engine. We recommend fully charging the battery before you use the jump starter for the first time.

  • User Non avatar #23813 EG2 years ago

    When I connect the power bank with the battery ,an error appears on the screen and it doesn't work