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13334Re: Which brand and type of batteries are used in the current RL1000 models

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  • Keith Duff
    Aug 3, 2007
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      Any experience with the following?


      MK ES17-12 BATTERY, $35 each, 14 LBS

      BB Battery

      ??? Not sure which to order. http://www.batteryweb.com/bb-batteries.cfm
      http://www.bb-battery.com/ <http://www.bb-battery.com/>


      --- In RoboMower@yahoogroups.com, "beekilher"
      <spamlesskb-contests0204@...> wrote:
      > MK, BB, and Full River are what some one has posted before. But if
      > you have read this form you will notice that even these batteries
      > when bought as replacements fail prematurely. Strange that so many
      > different battery brands fail in robomowers! Maybe FR is telling the
      > truth when they say it's a faulty mower and not the battery. I
      > suggest that if you use the onboard charger you UNPLUG IT AFTER 24
      > HOURS. My onboard charger fried two of my battery packs read post
      > #10735. MK is a battery distributor and not a manufacturer. BB I
      > believe makes their own batteries. I don't think Full River is sold
      > in the US at the retail level. So know who you buy your battery from
      > buy local if possible. All battery dealers must take back used
      > batteries to recycle, some will sell these as new so beware! If you
      > look at the BB spec sheets the weight of their bottom battery is a
      > pound less than their top battery less lead in the cheap one. Don't
      > dwell on the charts and graphs there all about the same, but do look
      > at the weight. Most batteries don't live up to them anyway unless
      > locked in a closet. If you buy a 21ah battery you have more thin
      > plates, an 18ah battery will have less but thicker plates, or should.
      > 21ah gives you more mow time maybe 15 minutes but the battery life
      > will be shorten by the thin plates. The 18ah battery will give less
      > mow time but have a longer life and be more durable to bumping and
      > bouncing. Good luck!
      > You pays your money and you takes your chances.
      > P.S. I bought my 4 batteries in May 2005 for $93.55 shipped on
      > ebay. The company doesn't sell batteries now. They are Yuasa NP-18. 2
      > plus hours mow time for 2 years now in an rl500. I still use an
      > original Yuasa NPC-17 with 2 plus hours mow time. With the price of
      > lead and shipping charges those deals may be over.
      > Buzz! Swat! Splat! The BeeKilHer
      > --- In RoboMower@yahoogroups.com, "tinapropes" tinapropes@ wrote:
      > >
      > > I am looking for the same information. I am on my second set of
      > > MK batteries and neither of them have lasted a year. My current set
      > > only lasts about 40 minutes and when they return to the dock one
      > > battery is drained down to 12.4 volts but the other cell has dropped
      > > down to 10 volts. I obviously have a bad cell but I understand that
      > > it is best to replace them in pairs. I run my mower about 200 times
      > > per year so I do not expect them to last 4 years but I would like to
      > > get a full season out of them.
      > > I know that some people have purchased from DigiKey but I think
      > > they have a long lead time before delivery and I need new batteries
      > > now. I know batteries.com was selling some helios batteries cheaply
      > > several weeks ago, but by the time I saw the message the coupon code
      > > for 35% off had expired so they are not a good deal anymore. I
      > think
      > > that BeeKilher stated that he got 4 batteries for less than $100
      > > shipped. Maybe he would share his source with us.
      > > I would love to hear some recommendations or experiences of
      > other
      > > users who have had to purchase batteries in the past.
      > >
      > > Thanks,
      > > William Propes
      > >
      > >
      > >
      > > --- In RoboMower@yahoogroups.com, "doodieb2001" <doodieb@> wrote:
      > > >
      > > > I have my robomower for over 3 Years now and it is time to
      > replace the
      > > > battery. My mower was shipped with Yuasa Batteries NPC17-12. In a
      > > > different forum I read that Friendly has changed the brand of
      > > > batteries. Can anyone confirm which batteries are used in the
      > current
      > > > models. I tried already Power-Sonic but they died after 4 months.
      > > >
      > > > Thank you!
      > > >
      > >

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