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  1. #21
    Join Date
    Jan 2006
    Location
    Loganville, GA
    Posts
    2,172

    Default

    Sheeeeesh Think of all the bee stuff you could build in the same time.

    I got no room to talk. I just don't know who I'm entertaining more, me or my son, getting into stuff like that.
    "Success is not final, failure is not fatal: it is the courage to continue that counts." Winston Churchill

  2. #22
    Join Date
    Jan 2006
    Location
    Loganville, GA
    Posts
    2,172

    Default

    I found this little blog out there;

    http://mac.fiveforks.com/ted/blog/ar...juvenated.html

    Guess if you were brave enough to give this a shot it may be worth thinking about something to enclose the battery(s). I wouldn't think an exploding battery would make for a good day.

    The guy writing this obviously was using misguided judgement to be worried about getting shocked instead of an explosion.
    "Success is not final, failure is not fatal: it is the courage to continue that counts." Winston Churchill

  3. #23
    Join Date
    Dec 1999
    Location
    DuPage County, Illinois USA
    Posts
    9,319

    Default

    Quote Originally Posted by Sundance View Post
    Use the old battery case to hold the batteries in position while soldering.
    Any idea on how to get the case apart?

    I have two of these I wouldn't mind repairing.

    http://www.atbatt.com/product/6641.asp

    Drill is in great shape, but both packs are dead. $50 a piece new.
    Regards, Barry

  4. #24
    Join Date
    Sep 2004
    Location
    Devils Lake, North Dakota
    Posts
    9,123

    Default

    Quote Originally Posted by Barry View Post
    Any idea on how to get the case apart?
    Not sure Barry on Makita's. My Panasonic's have screw
    together cases. Early Panasonic's were "welded" and
    are a bear to take apart. A dremel tool does it with
    some patience. And JB Weld does an excellent job to
    put them back together.

    If your's is solvent welded here's a guy that did
    his.

    http://www.kichline.com/chuck/fixit/makita/default.htm

    Here's a source for batteries. For the price of one
    battery you can rebuild both your's. And instead
    of the stock 2.1AH you'd be at 3.5AH.

    http://cgi.ebay.com/20-Sub-C-3500mAh...QQcmdZViewItem

  5. #25
    Join Date
    Dec 1999
    Location
    DuPage County, Illinois USA
    Posts
    9,319

    Default

    I don't see any welded spots or screws. It's definitely a two piece case and I can pry the two apart ever so slightly, but my luck, I'd pry too hard and crack it. Usually there is a certain location where an internal tab holds the two together, but if you don't know where that is . . .

    I can pull one side apart 1/4" but the other side doesn't budge. It's like a hinge.
    Regards, Barry

  6. #26
    Join Date
    Sep 2004
    Location
    Devils Lake, North Dakota
    Posts
    9,123

    Default

    No hidden screws under labels?

    My guess is it's solvent welded in the areas that aren't
    coming apart. This is where you cut the case and
    JB Weld later.

    It may not be pretty when you're done, but FrankenBattery
    will dazzle your friends and family.

    You got nothing to lose as the battery is junk.

  7. #27
    Join Date
    Nov 2003
    Location
    North Alabama, SW Kentucky
    Posts
    1,914

    Default

    Ok, I'm in.
    I have a Sears Cordless 9.6v battery. I don't know the Amps. I'm thinking of given them the shock treatment first. If that doesn't work, maybe I'll rebuild them. How has these been working for you guys?
    WayaCoyote

  8. #28
    Join Date
    Sep 2004
    Location
    Devils Lake, North Dakota
    Posts
    9,123

    Default

    If your case unscrews then building a new pack
    is a snap. You need 8 sub C cells.

    Addition:

    I have heard lately NOT to upgrade to NiMH unless your
    charger is compatible with NiMH. Makes good sense.
    Last edited by Sundance; 01-16-2009 at 10:20 AM.

  9. #29
    Join Date
    Nov 2003
    Location
    North Alabama, SW Kentucky
    Posts
    1,914

    Default

    Thanks, Sundance. i was going to ask if the impliment cared what kind of battery (NiCd or NiMH) it was given to run on. I opened on easily enough today. It looks straight forward. The original batteries where tack-welded rather than soldered. I don't suppose it matters so long as the connection is good. I don't know anything about soldering, though. Will I need a specific solder? Will the heat damage the bat? Do I heat the battery, the wire or the solder (in copper, I heat the connector, then sweat the solder into the joint)?
    WayaCoyote

  10. #30
    Join Date
    Sep 2004
    Location
    Devils Lake, North Dakota
    Posts
    9,123

    Default

    Waya.......... buy the batteries with the tabs already
    on. Then you solder them together in the original config.

    I have heard lately NOT to upgrade to NiMH unless your
    charger is compatible with NiMH. Makes good sense.


    Here's a set of some pretty good instructions.

    Building Battery Packs

    Basically.

    *Soldering Iron must be powerful enough

    *Pencil style irons are better than gun.

    *Use plenty of flux

    *Scuff up battery top

    *Don't overheat battery top

    *Use plenty of flux

    *Tack the batteries together using a hot melt glue
    gun. The battery bodies that is, not the ends.

    *Use battery case as a "jig" while soldering.

    *Use plenty of flux.

    *Replace all the cells, don't be tempted to save
    the "good" ones.

    *Use cells of at least 2400 mAH,

  11. #31
    Join Date
    Dec 1999
    Location
    DuPage County, Illinois USA
    Posts
    9,319

    Default Re: Tool Battery Rebuilding

    Bruce -

    Did you ever follow through with your rebuild? I have four packs that are almost dead and they want $100 a piece to replace. These I can get apart with screws. Each has 10 c batteries. Any update on where to buy the batteries
    Regards, Barry

  12. #32
    Join Date
    Jul 2008
    Location
    Limestone Co, Alabama
    Posts
    1,674

    Default Re: Tool Battery Rebuilding

    Quote Originally Posted by PCM View Post
    Anyone remeber going to the dentist as a kid, he would take a penny rub mercury on it with their fingers, then give you the magic dime they made! My how times have changed...
    The debtist still uses mercury/silver fillings in your teeth. The more things change the more things remain the same.

    Silver is still a deadly heavy metal, today often used on doors and door knobs in hospitals to kill germs.
    Scrapfe---Never believe anything in politics until it has been officially denied.--Otto von Bismarck.

  13. #33
    Join Date
    Aug 2007
    Location
    Fairfield County, Connecticut, USA
    Posts
    3,589

    Default Re: Tool Battery Rebuilding

    Quote Originally Posted by Barry View Post
    snip

    I have four packs that are almost dead and they want $100 a piece to replace. These I can get apart with screws. Each has 10 c batteries. Any update on where to buy the batteries
    If you have a "Batteries Plus" store near you, check on prices.

    http://www.batteriesplus.com/
    BeeCurious
    Trying to think inside the box...

  14. #34
    Join Date
    Dec 1999
    Location
    DuPage County, Illinois USA
    Posts
    9,319

    Default Re: Tool Battery Rebuilding

    Great suggestion! I found a BatteriesPlus not too far away and I can't rebuild them for what they charge. $34 per battery pack (labor included), and Home Depot wants $99 per pack. Looks like I'll be giving them a lot more business. I have a total of 10 packs that need batteries.

    I guess Sundance is MIA. He ties the knot and disappears.
    Regards, Barry

  15. #35
    Join Date
    Feb 2012
    Location
    Philadelphia, Pennsylvania
    Posts
    1

    Default Re: Tool Battery Rebuilding

    Hey guys I found these great battery rebuild kits that come with everything you need to rebuild your rechargeables. They come on a lot of different sizes and don't require any heat or soldering. They kits are called battrx. Ill
    definitely be using them again! http://yhst-129667042621427.stores.y...full-size.html

    JeffPops
    Last edited by JeffPops; 02-03-2012 at 02:44 PM.

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