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Sears has the DieHard 10/2/50 amp. Automatic Battery Charger (71222) for $33 with free shipping. Features 2 amp trickle, 10 amp fast charge, 50 amp engine start, rust-proof & shock-resistant polypropylene case, spark-proof protection, and reverse hook-up protection.
Retail: $65

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    fxp Ben's cred: 183
    Posted 6:15 am PDT 06/1/14

    Burnt mine out, reverse hook-up didn't work and only did it for a second before realizing the mistake. I won't get another one from Diehard. Before the goof it worked flaky anyway. As with most things the brand name lost its quality assurance.

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    dave_c Ben's cred: 3574
    Posted 8:23 am PDT 06/1/14

    ^ It probably only blew a diode or two which cost less than $1 if you want to DIY repair it.

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    dennis007 Ben's cred: 215
    Posted 4:51 pm PDT 06/1/14

    So what the reverse protection do?.

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    suednim Ben's cred: 133
    Posted 6:02 pm PDT 06/1/14

    When U use a charger U should always hook up a volt meter at the same time to monitor the charge. As the v. gets too high, like 15+ v., most automatic chargers will shut down or revert to only ~ 12.7v. A fully charged car batt. wants to be 12.8 v. after resting off the charger for a while.

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    1. $0
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    4. $60
    5. $65
    1. $34
    2. $33
    3. $30
    4. $30
    5. $30
    6. $33
    7. $33
    8. $31
    9. $33
    10. Retail
    Ben's Price
    • DieHard 10/2/50 amp. Automatic Battery Charger $31 at Sears
    • $31
      Retail: $65
    • DieHard 10/2/50 amp. Automatic Battery Charger $33 at Sears
    • $33
      Retail: $65
    • DieHard 10/2/50 amp. Automatic Battery Charger $33 at Sears
    • $33
      Retail: $65
    • DieHard 10/2/50 amp. Automatic Battery Charger $30 at Kmart
    • $30
    • DieHard 10/2/50 amp. Automatic Battery Charger $30 at Sears
    • $30
    • DieHard 10/2/50 amp. Automatic Battery Charger $30 at Sears
    • $30
    • DieHard 10/2/50 amp. Automatic Battery Charger $33 at Sears
    • $33
    • DieHard 10/2/50 amp. Automatic Battery Charger $34 at Sears
    • $34
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