I think Hawker is an Enersyscompany now, I have very good experience of Hawker from the more expensive batterymodels, forklifts and so on, but this one on that site..I dont know, and the labeldesign & price .. ?? it looks like it may be fake/copy?
Another one from that page you linked to is the actual batt i now have in my "Partner" (electrolux / Stiga is the main brand, I assume) electric lawnmover, I boutght it 4 years ago for about $40 with 2 totally dead PowerSonic 17Ah, I beleve the crap-charger might have damageds the new batts, dont know. Re-lifed them and have been running since. But I charge them with 2*12V "smartchargers" from the Lidl-stores, about 25usd/each 3.8Amp untill you reach 14V, then 0.8Amp untill you reach 14.40, or 14.7 if "winter"was selected. Good ones. I use them for LiFePO4 also. Bought about 15 units of them now, and they are nice units, dont know if you have them in the us also in some other brand/casing, spread was something like 14.38-14.42 for all units when tested The powersonic AGM 17Ah might not be the best for deep cyclic life, but they have worked ok to this mower,, BUT their general battery manual get A+ from me! http://www.atbatt.com/media/sku_pdf/Technical_Manual.pdf Lee: What do you think about that one? last year i forgot to charge(hmm.. Murder!), and then a long winter without charge.. = 1 cell short. :-( But they work ok anyway, i fill water sometimes, The one with shortded cell I must manually cut aster a while of course, And if I did fast charge them, they need watering.. as they gas off a lot at 35 amps.. :-) Peak load and startcurrent might be about 70-80 amp, but the re-setable-fuse pops soon if we run high wet grass at that current.. :-) What normal current was I have forgot, maybe 20-30 amp Motor have a damaged label, say 650 W or 600W , 24V, it is a Normal PM. A decent "no load" consumption and The blades design is the key to low consumption in e-cutters, thats my opinion. And SHARP blades of course. :-) This is a very good mover, no electronics (besides a 40Amp 24V relay and some power resistors... and a microswitch in the hand-grip, that I have to change due to probably several years in water.. :-) The Relay might need to be changed after some years. It is a Normal Automotive 40A bipolar I guess. When you let go of the handgrip the relay short the motor(probably trough the resistors) to stop it fast. I recommend this mover if found as used one, as it is lighter then a gas model, and cut even better, and moving it around is more easy than my Klippo that have the BS-engine with front wheel drive! :-) Very silent also, I can run it late evenings. Cut the grass nice and low, better job than the gasoline mover. Maybe I can take some photos on the simple knife and so on some day, later.. The knifes and "propeller" must be possible to buy as spares somewhere. Might be worth it for home built movers, they do a good job /John > From: michael.e.r...@gmail.com > Date: Tue, 29 Apr 2014 17:56:07 -0400 > To: ev@lists.evdl.org > Subject: Re: [EVDL] Recommendations for push mower motor? > > EVDL Dave R., > > Comparing on a weight basis $/lb (on the theory that weigh goes with Pb > content which goes with quality of design and manufacture and looking at $/ > Ah: > > *#1 13lb* $3.46/lb @ $45 17.2 Ah *$2.62/Ah* > http://www.atbatt.com/genesis-np18-12-12v-172ah-sealed-lead-acid-battery-with-nb-terminal.asp?cr_brand=BB&cr_product=BP17-12#specifications > *Is this the "Hawker Genesis" you were talking about?* > > *#2 14lb* $3.57/lb @ $50 21.6Ah *$2.31/Ah* > this one weighs an additional pound for $5 more: > http://www.atbatt.com/power-sonic-psh-12180nb-fr-sealed-lead-acid- > battery.asp?cr_brand=BB&cr_product=BP17-12 > > *#3 14.1lb* $4.15/lb @ $58.5 22Ah *$2.63/Ah* > http://www.atbatt.com/amstron-12v-22ah-electric-vehicle-agm-battery-nb-terminal.asp?cr_brand=BB&cr_product=BP17-12#specifications > > *#4 14.4lb* $4.38/lb @ $63 18Ah *$3.50/Ah* > http://www.atbatt.com/bb-bp18-12-12v-18ah-agm-battery-w-nb-terminal.asp?cr_brand=BB&cr_product=BP17-12#specifications > > *#5 14.5lb* $4.96/lb @ $72 20Ah *$3.60/Ah* > http://www.atbatt.com/bb-battery-hr22-12-sla-battery.asp?cr_brand=BB&cr_product=BP17-12 > > *#6 15lb *$6.60/lb @ $100 20Ah* $5.00/Ah* > http://www.atbatt.com/bb-evp20-12-12v-20ah-agm-battery-w-nb-terminal.asp?cr_brand=BB&cr_product=BP17-12 > > Raises all sorts of questions... > > Is #3 lying about the Ah? Does the low weigh really me it is not as good > as say #5 which weighs a 180 grams more for an additional $14 each? > > On a pure money for performance basis one of the lowest weigh, least > expensive #2 seems like a good deal. Can 21.6Ah be believed? > > Is there any merit at all to buying #6? Its price point looks terrible, > but on the weight theory is is best. > > This is a great way for me to learn here, if you all are willing to chime > in... > > Mike > > > On Tue, Apr 29, 2014 at 1:11 PM, EVDL Administrator <evp...@drmm.net> wrote: > > > On 29 Apr 2014 at 12:06, Lee Hart wrote: > > > > > I have Enersys, Hawker, and Concorde AGMs that are now over 10 years old > > > and still delivering at least half of their original capacity. I also > > have > > > Gates, and Deka gels just as old that are still usable. > > > > I just recently retired the last of a batch of Hawker Genesis AGMs that > > dated from about 1997. They were (well-) used when I got them. > > > > Of 24 equally old Deka Dominator gels, I'm still using 16 (and a couple > > others sit around). Most have 60-90% of their rated capacity. > > > > One of the things I like about these batteries is how low their self > > discharge is. They need only very infrequent charging when in storage. > > > > David Roden - Akron, Ohio, USA > > EVDL Administrator > > > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > EVDL Information: http://www.evdl.org/help/ > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > Note: mail sent to "evpost" and "etpost" addresses will not > > reach me. To send a private message, please obtain my > > email address from the webpage http://www.evdl.org/help/ . > > = = = = = = = = = = = = = = = = = = = = = = = = = = = = = > > > > > > _______________________________________________ > > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > For EV drag racing discussion, please use NEDRA ( > > http://groups.yahoo.com/group/NEDRA) > > > > > > > -- > Put this question to yourself: should I use everyone else to attain > happiness, or should I help others gain happiness? > *Dalai Lama * > > Tell me what it is you plan to do > With your one wild and precious life? > Mary Oliver, "The summer day." > > To invent, you need a good imagination and a pile of junk. > Thomas A. > Edison<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html> > > A public-opinion poll is no substitute for thought. > *Warren Buffet* > > Michael E. Ross > (919) 550-2430 Land > (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone > (919) 631-1451 Cell > (919) 513-0418 Desk > > michael.e.r...@gmail.com > <michael.e.r...@gmail.com> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140429/444c4ae3/attachment.htm> > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA > (http://groups.yahoo.com/group/NEDRA) > -------------- next part -------------- An HTML attachment was scrubbed... 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