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Dissembly Of Ryobi Battery?

Discussion in 'Electronic Repair' started by (PeteCresswell), Apr 19, 2013.

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  1. viz: http://tinyurl.com/c788h7k

    I'm guessing this thing has a weak cell and Home Depot doesn't want to
    hear about it.

    I've removed 5 screws (one in each corner, and one in the tower-like
    appendage), but something's still holding it together.

    Anybody been here?
     
  2. mike

    mike Guest

    Under a sticker is a favorite place.
    They often hold them together with double-sticky tape
    that's stronger than what it's holding.

    Last time I looked at Ryobi, they had a lifetime warranty
    on batteries. Possibly, the lifetime of the battery, not
    your lifetime. ;-(
    I discussed it with a rep in the store. Asked him what they
    were gonna do in 10 years when the replacement battery is unavailable.
    I came away unsatisfied by his reassurances.

    Just curious what you're gonna do when you get it apart?

    Stated another way, if you don't need to put it back together,
    you have more options for opening it. ;-)
     
  3. Guest

    Using a utility knife pry along all the visible cracks, and then just
    use brute force to pry it open all the way.
     
  4. Guest

    http://www.fixya.com/support/t6320392-apart_ryobi_lithium_18v_one
    suggests that there are some plastic clips on the long sides of the
    body, and that you need to push the main contacts down and out of the
    cover while you lift up. There are also wires to the "fuel gauge"
    LED. Read the link; it has more details.
    I recently took apart a DeWalt 12V NiCd pack of similar mechanical
    construction. Once I got all the screws out, it took a little shaking
    and wiggling to persuade the cover to slide off of the cell that's in
    the "tower" part. The cell wasn't swelled or broken; it is just a
    close fit. The main contacts were in their own piece of plastic which
    easily came out of the tower.

    I was going to try to verify that it had dead cell(s), but not many of
    the inter-cell connectors were accessible. I didn't want to tear into
    it too far, so I ended up putting it back together.

    Various places online sell rebuild kits... often you get the cells
    already assembled, and you swap the new cell set into your existing
    plastic housing. I asked at a local Batteries Plus store about that
    DeWalt battery and found out they offered a rebuild service (they put
    new cells in my housing) that was pretty competitive in price with
    buying the cell assembly online. I haven't had the pack rebuilt yet
    so I don't know how well their rebuild service works.

    Standard disclaimers apply; I don't get money or other considerations
    from any companies mentioned.

    Matt Roberds
     
  5. Per mike:
    Measure each cell's voltage in an effort to confirm my weak-cell
    suspicion.

    If one is way down, try charging it separately and then putting it back
    into the array. If that fails, keep the remaining cells against the
    day when another cell in another battery (I have three others) fails.

    I'm kind of locked into Ryobi: two drills, a saber saw, a multi-function
    tool, and three chargers.

    I was quite disappointed with Home Depot's reaction because I showed
    them another battery that was bought on the same day, been through the
    same service, and works a-ok.

    OTOH, the Home Depot guy said that a number on the batteries indicated
    they were manufactured over five years ago. OTOOH, I have a hard time
    believing that I've had these things that long... maybe 3
    years...Maybe...

    The reason I paid extra for Lithium batteries is that mine only see
    intermittent use - months apart - and lithium does not spontaneously
    discharge on the shelf.

    If I were to do it over again, I would buy DeWalt.
     
  6. Dissembly?

    "Disassemble" means to take apart. "Dissemble" means to disguise or conceal,
    especially one's motives.

    So it looks as if either verb applies -- the battery is concealing the means
    to take it apart!
     
  7. Per William Sommerwerck:
    Nice catch!

    ----------------------------------------
    Eye halve a spelling chequer
    It came with my pea sea
    It plainly marques four my revue
    Miss steaks eye kin knot sea.

    Eye strike a key and type a word
    And weight four it two say
    Weather eye am wrong oar write
    It shows me strait a weigh.

    As soon as a mist ache is maid
    It nose bee fore two long
    And eye can put the error rite
    Its rare lea ever wrong.

    Eye have run this poem threw it
    I am shore your pleased two no
    Its letter perfect awl the weigh
    My chequer tolled me sew.
     
  8. Eye halve a spelling chequer
    It came with my pea sea
    It plainly marques four my revue
    Miss steaks eye kin knot sea.

    Eye strike a key and type a word
    And weight four it two say
    Weather eye am wrong oar write
    It shows me strait a weigh.

    As soon as a mist ache is maid
    It nose bee fore two long
    And eye can put the error rite
    Its rare lea ever wrong.

    Eye have run this poem threw it
    I am shore your pleased two no
    Its letter perfect awl the weigh
    My chequer tolled me sew.


    I checked, and Word's spell check accepts "mi" (as in do re mi) as a
    legitimate word. So me could be replaced with mi, further confounding things.
     
  9. Please assign credit where due.

    The (complete) poem is by Jerrold H. Zar,
    titled "Candidate for a Pullet Surprise", 1992
    http://www.bios.niu.edu/zar/poem.shtml
     
  10. However, it might now be un-balanced -- making some tools
    more "nose heavy".
    But, yes, definitely Something to consider.
     
  11. Per Allodoxaphobia:
    Thanks.

    Jerry Zar is now immortalized in my source document as in:
    ----------------------------------------
    CANDIDATE FOR A PULLET SURPRISE

    I have a spelling checker.
    It came with my PC.
    It plane lee marks four my revue
    Miss steaks aye can knot sea.
    Eye ran this poem threw it,
    Your sure reel glad two no.
    Its vary polished inn it's weigh.
    My checker tolled me sew.

    A checker is a bless sing,
    It freeze yew lodes of thyme.
    It helps me right awl stiles two reed,
    And aides me when aye rime.
    Each frays come posed up on my screen
    Eye trussed too bee a joule.
    The checker pours o'er every word
    To cheque sum spelling rule.
    Bee fore a veiling checkers
    Hour spelling mite decline,

    And if we're lacks oar have a laps,
    We wood bee maid too wine.
    Butt now bee cause my spelling
    Is checked with such grate flare,
    Their are know faults with in my cite,
    Of nun eye am a wear.
    Now spelling does knot phase me,
    It does knot bring a tier.

    My pay purrs awl due glad den
    With wrapped words fare as hear.
    To rite with care is quite a feet
    Of witch won should bee proud,
    And wee mussed dew the best wee can,
    Sew flaws are knot aloud.

    Sow ewe can sea why aye dew prays
    Such soft wear four pea seas,
    And why eye brake in two averse
    Buy righting want too pleas.

    Jerry Zar, 29 June 1992
    Jerrold H. Zar
    Graduate School
    Northern Illinois University
    Title suggested by Pamela Brown.
    Based on opening lines suggested by Mark Eckman.
     
  12. Guest

    I've never checked one of their lithium batteries, but with their nicads you
    just remove the screws and then pry apart slowly so the piece of mica with
    on bottom that has the sticky stuff on both sides comes off.

    Ryobi seems to be pretty good about replacing batteries, even slightly
    out of warranty. If you paid for the drill kit with a Visa, Discover, or
    American Express card, they double the warranty, up to an extra
    year, for factory warranties up to 3 years long with Visa or Discover,
    up to 5 years long for American Express. Mastercard does this only
    for warranties up to one year long, and they seem to be a lot worse
    about providing reimbursement.
     
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