philg Posted July 1, 2021 Report Share Posted July 1, 2021 Hi Guys. I'm progressing nicely with my 2003 XT600e project but I need your combined wisdom about batteries. The standard bike uses a 12v 8Ah but I would like to run either :- a) a smaller battery b) dual/multiple batteries hidden under the tank (non-XT) So is it possible (safe) to run batteries in fulltime parallel connection ? I don't know very much about power requirements but I think I need to keep up the cranking power for the electric start (later model with no kickstart), I will be running, LED lights for dip/main & rear LED brake light LED warning lights. Horn Electric start Stock XT charging / reg / regulator I'm also considering using a Motogadget M-unit (not blue) & momentary buttons. Cheers all Phil. Quote Link to comment Share on other sites More sharing options...
ssray Posted July 1, 2021 Report Share Posted July 1, 2021 I had a Xt600 tenere years ago, used to dispatch it round that London, track days etc I went smaller battery and no leccy foot, not sure if it's possible on the later 600e Sounds like a Litihum battery would do you, the motobatt for your xt is 2.3kg a lip0 is 1.1kg https://shoraipower.com/battery?type=175&make=381186&model=381268&year=381268 https://www.horizonsunlimited.com/hubb/yamaha-tech/xt600-lithium-ion-battery-africa-79198 Quote Link to comment Share on other sites More sharing options...
philg Posted July 1, 2021 Author Report Share Posted July 1, 2021 15 minutes ago, ssray said: I had a Xt600 tenere years ago, used to dispatch it round that London, track days etc I went smaller battery and no leccy foot, not sure if it's possible on the later 600e Sounds like a Litihum battery would do you, the motobatt for your xt is 2.3kg a lip0 is 1.1kg https://shoraipower.com/battery?type=175&make=381186&model=381268&year=381268 https://www.horizonsunlimited.com/hubb/yamaha-tech/xt600-lithium-ion-battery-africa-79198 Cheers ssray, good CCA but size is the main issue as I will have limited space. I've been looking at this one https://www.antigravitybatteries-uk.co.uk/extreme-power-series/antigravity-battery-xps-sc-1.html Quote Link to comment Share on other sites More sharing options...
Thunderbolt Posted July 1, 2021 Report Share Posted July 1, 2021 Yes you can run batteries in parallel, but I think if you are after optimised space you may want to run them in series. 1 Quote Link to comment Share on other sites More sharing options...
fastfreddybikes Posted July 1, 2021 Report Share Posted July 1, 2021 2 hours ago, philg said: Hi Guys. I'm progressing nicely with my 2003 XT600e project but I need your combined wisdom about batteries. The standard bike uses a 12v 8Ah but I would like to run either :- a) a smaller battery b) dual/multiple batteries hidden under the tank (non-XT) So is it possible (safe) to run batteries in fulltime parallel connection ? I don't know very much about power requirements but I think I need to keep up the cranking power for the electric start (later model with no kickstart), I will be running, LED lights for dip/main & rear LED brake light LED warning lights. Horn Electric start Stock XT charging / reg / regulator I'm also considering using a Motogadget M-unit (not blue) & momentary buttons. Cheers all Phil. My gs1150 had 2 batteries in parallel which I only discovered when they gave up and needed replacing. Didn’t seem to cause any issue. 1 1 Quote Link to comment Share on other sites More sharing options...
philg Posted July 1, 2021 Author Report Share Posted July 1, 2021 46 minutes ago, Thunderbolt said: Yes you can run batteries in parallel, but I think if you are after optimised space you may want to run them in series. That's interesting & something I hadn't considered, as described, I don't expect the running amps to be high as nearly everything will be LED so my main concern is physical size & CCA. Quote Link to comment Share on other sites More sharing options...
Damnthistinleg Posted July 1, 2021 Report Share Posted July 1, 2021 1 hour ago, Thunderbolt said: Yes you can run batteries in parallel, but I think if you are after optimised space you may want to run them in series. No, he really doesn't want a 24v system. Two parralel batteries are okay and as lead acid batteries are largely self regulating with respect to charging currents, you shouldn't see any issues. Realistically though, a high quality 12v lead acid battery should deliver all you require. 1 Quote Link to comment Share on other sites More sharing options...
Thunderbolt Posted July 1, 2021 Report Share Posted July 1, 2021 3 minutes ago, Damnthistinleg said: No, he really doesn't want a 24v system. Two parralel batteries are okay and as lead acid batteries are largely self regulating with respect to charging currents, you shouldn't see any issues. Realistically though, a high quality 12v lead acid battery should deliver all you require. He can run several 1.5v’s in series, I should have explained clearer. 1 Quote Link to comment Share on other sites More sharing options...
philg Posted July 1, 2021 Author Report Share Posted July 1, 2021 45 minutes ago, Damnthistinleg said: No, he really doesn't want a 24v system. Two parralel batteries are okay and as lead acid batteries are largely self regulating with respect to charging currents, you shouldn't see any issues. Realistically though, a high quality 12v lead acid battery should deliver all you require. Thanks for the advise on this, electrics are not my strong point, its purely down to hiding the batteries under the tank so size is the driver. a series of lower voltage batteries (totaling 12v output) would be easy to stow but I would need to keep an eye on the CCA values. Cheers. Phil. Quote Link to comment Share on other sites More sharing options...
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