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Thread: Poolbuster battery replacement?

  1. #1
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    Poolbuster battery replacement?

    Hi All,
    My Poolbuster MaxCG batteries are dying. It charges but they die quickly and it doesn't seem to have the power it once had. I don't know what replacement batteries cost from the manufacturer but I have to believe they are inflated. What I'd like to do is somehow use lithium ion batteries as opposed to the Nicad's currently in the unit. For simplicity I'd like to use the factory charging port too.

    Anyone have any ideas? If this isn;t possible any ideas on sourcing batteries as direct replacements? Anyone know the size/voltage? Is it an easy swap and something I can do myself?

    Thanks a ton!
    Joe
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  2. #2
    Senior Member frogabog's Avatar
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    Re: Poolbuster battery replacement?

    Call your local Interstate Battery distributor, it might be on the shelf.

    Actually it looks like Interstate offers this battery pack online. It's on sale for $29.99 http://www.interstatebatteries.com/cs_e ... BUSTER+MAX
    Where kids swim in 54 degree water, turn blue, and giggle happily cuz they got a POOL!
    Year 3 BBB -15' x 48" Intex Metal Frame - Was using (2) 1000gph Intex cartridge filters (see Full time pumping Intex). 2012, converted to 1600gph and sand filter+SWG = Sand filter love affair!
    Don't waste time and energy looking for a better value on test kits, the TF100 is the best deal around. I did the looking and spent the extra money, but you don't have to make the same mistake. Just go here: TFTestkits. I use Pool Calculator for min/max, and shocking chlorine levels.

  3. #3
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    Re: Poolbuster battery replacement?

    Awesome! Not as much power as I wanted but for the simplicity I'll take it. Is the battery pack the same for the commercial grade and standard model?
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  4. #4
    Senior Member frogabog's Avatar
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    Re: Poolbuster battery replacement?

    LOL I honestly don't know. When it comes to batteries, Interstate is my go to and they had one. You might want to check the specifications and compare to your pack before you commit to it based on what I say!
    Where kids swim in 54 degree water, turn blue, and giggle happily cuz they got a POOL!
    Year 3 BBB -15' x 48" Intex Metal Frame - Was using (2) 1000gph Intex cartridge filters (see Full time pumping Intex). 2012, converted to 1600gph and sand filter+SWG = Sand filter love affair!
    Don't waste time and energy looking for a better value on test kits, the TF100 is the best deal around. I did the looking and spent the extra money, but you don't have to make the same mistake. Just go here: TFTestkits. I use Pool Calculator for min/max, and shocking chlorine levels.

  5. #5
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    Re: Poolbuster battery replacement?

    Meh! Wrong battery. I have a pool blaster-the pool buster is discontinued. I took mine apart and my battery is at least a 12V. It only measured 10.8V. My charger is a 12.8V but it was putting out 18V maybe thats why the battery is shot......
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  6. #6
    Senior Member Ohm_Boy's Avatar
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    Re: Poolbuster battery replacement?

    Any identifier on the battery? I'm pretty sure we can find a replacement if it can be cross-referenced.
    portablepower.com, zbattery.com, mouser.com ... someone would have it. I've gotten batteries from all three of these.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

  7. #7
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    Re: Poolbuster battery replacement?

    The only markings on it are as follows,
    "PB8CELL 2400MAH NI-MH 1309"
    Does that help at all?
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  8. #8
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    Re: Poolbuster battery replacement?

    I wonder if this would work? Its a little larger than factory but with a dremel it will fit.

    http://www.batteryspace.com/lifepo42665 ... ewpcb.aspx

    I'd have to buy a new charger too but it's only $27 and charges faster and the battery has more capacity. Just not sure if the voltage is too high
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  9. #9
    Senior Member Ohm_Boy's Avatar
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    Re: Poolbuster battery replacement?

    You want to stay with a nickel metal hydride (NI-MH) battery, as the charging characteristics are different for other types.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

  10. #10
    Senior Member Ohm_Boy's Avatar
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    Re: Poolbuster battery replacement?

    Based on the cell info you posted ("PB8CELL 2400MAH NI-MH 1309") I get that this is a Nickel Metal Hydride battery with 2400mAH capacity. I *ASSUME* that it's an 8-cell pack, based on the PB8CELL designation, which should be a a 9.6 volt battery (1.2 volts per cell). Since the one you were looking at in your last link is a flat-pack arrangement, I'm gonna guess that your original is something like this? http://www.onlybatterypacks.com/showite ... D=10052.10
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

  11. #11
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    Re: Poolbuster battery replacement?

    Thats what I was thinking but why is the charger rated at 12.8V?
    Its 8 separate batteries. 4 on top of the other.
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  12. #12
    Senior Member Ohm_Boy's Avatar
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    Re: Poolbuster battery replacement?

    To charge a battery, one must force electricity to flow 'into' the battery, which simplified, means that you need to apply a higher voltage to the battery. There are other considerations, such as the current flow and thermal buildup, but at it's basic level, you need a voltage greater than battery level to charge the battery. In the case of small, non-regulated chargers, the voltage supplied by the transformers will drop considerably once it has to actually supply any real current to a load, so while it may read 18 volts disconnected, it will drop to a lower level when it is connected and working. Naturally, the loaded voltage still has to be higher than battery voltage. There should also be circuitry in the charger to limit the current based on charged voltage to prevent the ni-mh cells from overheating and 'venting'.
    Each cell in the battery pack should be 1.2volts when charged, so depending on how they are arranged (we assume that they are all connected in series) you should have 9.6 volts when fully charged. If so, you should be able to use any 8-cell ni-mh pack that will fit. You may be able to find higher than 2400mAh (milliamp-hours, a rating of how much current the pack can supply and for how long), but it could be tough on your charger.
    Also, you may be able to cut the wrapper off the pack and get a part number from the individual cells, then buy them loose and assemble your own pack, but soldering onto batteries can be tricky as they will vent if overheated. Once they vent, they're damaged.
    And speaking of venting, I'll stop now.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

  13. #13
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    Re: Poolbuster battery replacement?

    Well I found a place that will make an 8 cell 9.6V 5000MAh battery for $40. He's also sending along a smart charger for an extra $20. The wall warts can overcharge these NIMH batteries which can be why they perform so poorly. We'll see if this investment pans out. I'll keep everyone posted.
    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  14. #14

    Re: Poolbuster battery replacement?

    Sorry it took me a bit but I had to order one as well. This is what Watertech sent me:

    To those customers who have requested to purchase a New 7 or 8 Cell Battery Pack (Only) for a Pool Blaster / Buster Max Water Tech is providing the link to make such purchase.

    The customer understands and accepts the follow terms;

    He or She is purchasing a 7 or 8 cell battery pack (ONLY) the battery pack contains a heat fuse and wired terminal to match the terminal inside the motor box compartment.
    He or She acknowledges Water Tech has offered to service said unit either under warranty or out of warranty under the terms and conditions stated in the owners manual of the unit.
    The purchaser acknowledges the battery pack is not returnable and no refund will be offered to the purchaser if the battery pack does not fix any problem that exists with he unit.
    The purchaser acknowledges He or She has read the the aforementioned and wishes to continue with their purchase.



    http://store.watertechcorp.com/-strse-1 ... Detail.bok
    13,100 gal (?) IG Plaster Pool, Rectangular (30 feet long, 11 feet wide at 3 feet deep shallow end, 14 feet wide at 6 feet deep end.)
    Pentair Challenger 1hp 2 speed hardwired pump
    Triton II T60 sand filter
    P153 Intermatic digital timer control
    8 gal Liquidator with 3/8" upgrade

  15. #15
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    Re: Poolbuster battery replacement?

    15,500 gal, inground gunite pool with 7 ft spa, 2 speed pump 2hp/.33hp, 3/4 hp booster pump, Intermatic P1353 timer, AutoPilot SC-48, Sand filter with ZeoBest, Heater, that I never use . . .

  16. #16
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    Re: Poolbuster battery replacement?

    I have found this battery pack fits into my pool blaster max. It has 9.6 V out but a much higher energy density.

    http://www.all-battery.com/96v4500ma...pack11431.aspx

    It drives the motor and recharges and includes the correct connector as well. I cut off the foam from the old battery pack and attached to the new battery pack with two sided tape. It worked fine. A tight fit though as it has the extra tape and extra thin film plastic cover from the old battery.

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