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Stanley J309 300-Ampere Jump Starter

$57.99

Shipping Cost: Free!

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Stanley J309 300-Ampere Jump Starter

The Stanley 300-amp jump starter delivers three hundred amperes of current to a twelve-volt battery for instant startup of your vehicle. The Stanley jump starter works on desulfation technology to provide an instant start. The built-in charger enables you to charge the battery any time and anywhere on the go. This convenient portable jump starter works equally well for motorbikes, especially in extreme winter conditions and prevents any choking of the battery. The Stanley 300-amp jump starter is small, easy to carry and lighter than many other battery-equipped units. The complete jump starter comes with a heavy-duty metal clamp in an impact-resistant, injection-molded case.

Features

  • Delivers 300 amps of instant starting power
  • 600 peak amps of power
  • Offers both 12-volt and USB outlets
  • High-powered LED light that rotates 270 degrees
  • Power/charge indicator and reverse polarity alarm

Shipping Cost: Free!

Return Policy: Within 30 in the original packaging

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Review Snapshot

  • 3.5 of 5 stars
50% (27)
11% (6)
0% (0)
6% (3)
35% (19)
  • Won't Hold a Charge   »   Most Recent Review “This battery design is defective. I used it to power a small telescope and charge a phone. It cannot charge a phone after one year of use (yes I read the manual and charged…”
  • Works great   »   Most Helpful Reviews “I bought this jumper to jump my motorcycle. The battery goes dead every winter and I am not in an area where I would be able to keep the battery charged over the winter (I am…”
  • Useless   »   Most Helpful Critical Reviews “Nice features, well constructed. I plug it in to charge it up once a month. (more often than suggested) I let it charge for two full days when I charge it, indicators read full…”