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Thread: Emergency battery jumper

  1. #1
    Join Date
    Jan 2005
    Location
    University Place, Washington
    Posts
    1,203

    Emergency battery jumper

    My old HF one died so I need a new one. I seem to remember a thread here a while back but can not find it so if someone can point me to it or make a recomendation. I would like one a lot smaller than my old HF one, Amazon preferred. Thanks.
    Sometimes we see what we expect to see, and not what we are looking at! Scott

  2. #2
    Join Date
    Feb 2010
    Location
    Pueblo, CO
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    264

  3. #3
    Join Date
    Jan 2005
    Location
    University Place, Washington
    Posts
    1,203
    Thanks, how well does it work ? how long does it last before needing recharging ?
    Sometimes we see what we expect to see, and not what we are looking at! Scott

  4. #4
    Join Date
    Sep 2016
    Location
    Modesto, CA, USA
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    2,273
    I took mine apart when it died. All it is is a small gell cell 12V battery conencted to a transformer etc. Would be very easy to replace for about $20.00. It was just spade connectors not even a tool required except to unscrew the case. Got an old Barbie car around the neighborhood?
    Bil lD.

  5. #5
    Join Date
    Sep 2007
    Location
    Upstate NY
    Posts
    3,348
    I bought a really cheap one on some Amazon sale 2 years ago and gave it to my son. He has used it successfully three times. So I have to conclude that any of them are fine.

    Though I have to wonder why my son needed it 3 times in 18 months.

  6. #6
    Join Date
    Mar 2005
    Location
    Anaheim, California
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    5,826
    Quote Originally Posted by Scott Donley View Post
    Thanks, how well does it work ? how long does it last before needing recharging ?
    They claim the "shelf life" at full charge is 6-12 months, and recommend a recharge every 3 months. As far as number of starts per charge goes, that depends on the current draw of your starter and crank time required, but the battery is roughly 18AH if that helps with the math.

    The instructions are awesomely hilarious though, probably machine-translated from Chinese...reminded me of 1960's Japanese stereo gear.
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  7. #7
    0n the newer LI units, there are many choices, with most being in the $70 - $100 range. The first time I saw one in use, I said "NO WAY!" I was wrong as it quickly started the vehicle with the dead battery. It was about the size of a smart phone, only much thicker. HF sells one, along with several at Walmart.

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