13334Re: Which brand and type of batteries are used in the current RL1000 models
- Aug 3, 2007Any experience with the following?
TR18-12A TEMPEST SEALED LEAD-ACID AGM BATTERY $35 each, 14 LBS
MK ES17-12 BATTERY, $35 each, 14 LBS
??? Not sure which to order. http://www.batteryweb.com/bb-batteries.cfm
--- In RoboMower@yahoogroups.com, "beekilher"
>[Non-text portions of this message have been removed]
> 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
> > 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
> > 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
> > > models. I tried already Power-Sonic but they died after 4 months.
> > >
> > > Thank you!
> > >
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