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Any tricks to get a little more life out of a battery?

Discussion in 'Heavy Equipment & Pavement' started by KTM, Dec 10, 2012.

  1. KTM

    KTM LawnSite Senior Member
    Messages: 492

    My batteries are shot in my Case 721B. I have a couple day fence line clearing job coming up, and besides that it will probabley be parked until spring (unless we get good snow) I know i am being cheap but i would like to put off buying new ones until spring when I start buildng again ($340 for new ones) any tricks? had a old concrete guy tell me to "shock them" out of the machine in a safe area, but would like more opinions.
  2. Kepple Services

    Kepple Services LawnSite Senior Member
    Messages: 374

    Get a battery tender.. and leave them plugged in for the winter, it will condition the batteries as well as keep them charged.
  3. bobcat_ron

    bobcat_ron LawnSite Fanatic
    Messages: 10,137

    My dad used to put a rubber liner under the battery and insulate the holder from the machine. It might be an old wives tale, but he would replace a battery once every 5 years in his old excavators, so there might be some truth in that.
    Posted via Mobile Device
  4. patrick6411

    patrick6411 LawnSite Member
    Messages: 38

    My uncle has three golf carts. He just recently purchased some battery conditioner for one of his carts. It brought the batteries back to life in that cart. The batteries were not totally dead but would not hold a charge very long. You might try calling a golf cart place and asking them about this.

    Another thing he does is uses a battery conditioner that is solar powered. One of his carts are 5 years old and has never had new batteries replaced.
  5. Impact-Vector

    Impact-Vector LawnSite Member
    Messages: 150

    +1 for battery tender. Worth every cent!
  6. Bigred350

    Bigred350 LawnSite Senior Member
    Messages: 810

    I have heard don't lay them on a concrete floor. Put a wood block under them or up on a shelf. Don't know why but "that's what they say".

    Also be carful with battery tenders. They can make batteries get to hot and catch on fire. So just be smart about what they are sitting next to.
  7. KTM

    KTM LawnSite Senior Member
    Messages: 492

    last night i put epsom salt in them and charged them and they fired it right up this morning. Yesterday they would not take a charge:dancing:.
  8. AEL

    AEL LawnSite Bronze Member
    Messages: 1,724

    Why not just replace them? Running shot batteries is hard on alternator, starter etc. better to be able to start the machine in mid winter then be screwing around changing batteries in the cold.
    Posted via Mobile Device
  9. KTM

    KTM LawnSite Senior Member
    Messages: 492

    Besides a few hours today and a couple more tomorrow the machine will most lickely be parked until late March-April, unless we get big snowfall. I would rather buy fresh batteries then rather then have them sit through 3 months of winter. If i need it again I will buy new ones. then I will use a battery tender next time it sits for long periods.
  10. dieselss

    dieselss LawnSite Silver Member
    Messages: 2,065

    Another trick. Install a batt disconnect switch
    Posted via Mobile Device

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