Rezervo Batteryless Jump Starter - Jumpstarts Vehicles Using Ultracapacitor Technology for Cars, Trucks, Boats, RVs, ATVs, and other Gas Engines (RZ-300mini (300A))4.14.1 out of 5 stars149
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About this item

  • HARNESSES the power of your own battery's weakest charge and boosts it to start your car
  • EASY TO USE design for professionals and DIY; MAINTENANCE FREE with years of shelf life
  • INSTANT RECHARGING means no need to wait hours to recharge like traditional jump starters with internal batteries
  • SAFE short circuit and reverse polarity protect against damage if connected to wrong terminal; DROP RESISTANT rugged rubber casing
  • EXTREME WEATHER operating from -30°F to 140°F (-34C° to 54°C); capable for jump starting in any weather conditions
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