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Discussion Starter · #1 ·
Please can anyone help me regarding a 2021 AT and charging the HY110 battery? I understand it's a Lithium Ion battery and yet the recommended charger is an Optimate lithium charger but the manual for the Optimate states LiFePO4 only and states not for other lithium ion batteries. So I bought a Noco genius 2 but that states in the manual not for lithium batteries without a battery management system. It also isn't lithium specific and so I am worried about using it. UK dealers seem a little confused. Does the battery have a BMS? Should I use the Noco or a lithium specific even if it's for the lithium iron phosphate (and not advised to charge a Li Ion in the manual) I would appreciate any advice. Thanks.
 

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I went with the Optimate Lithium 4S 5A TM-291 (USA model) charger for the HY110 battery as it is also compatible with li-ion and the charger recommended in the factory service manual.
 

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I went the 0.8 optimate. Theres 3 options, the maintenance, 0.8 & 5 amp. With the supplied cables you can hook up a permanent fused in/out SAE connection.
This cable comes in handy for monitoring voltage with a meter. Checking for a parasitic drain while in storage. In which case leave the maintainer connected.
 

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Personally I just let mine set, but then too I ride all year.. It may set for a week or two before the roads are clear from ice & snow..
From the manufacturer of the batteries;
6 month shelf life unattached after 1 year recommended voltage check and top off as needed…
So really none is needed, if anything just start it once over the winter storage and it should be fine.
Or just pull the battery and store it inside if you are worried about it..
 

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2021 ATAS DCT ES
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Personally I just let mine set, but then too I ride all year.. It may set for a week or two before the roads are clear from ice & snow..
From the manufacturer of the batteries;
6 month shelf life unattached after 1 year recommended voltage check and top off as needed…
So really none is needed, if anything just start it once over the winter storage and it should be fine.
Or just pull the battery and store it inside if you are worried about it..
Mine has a tracker installed so has a small load constantly drawing, along with having a young family sometime i can go a week or two without a quick ride in the winter :( I only have the tender connected for a day or two every week.
 

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CRF1000 AS 2019 Tricolour
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Optimate Lithium (0,8A) always connected when it’s not on the road. Small tracker installed, otherwise I’d expect the battery to survive a couple of months.

I’m still wondering how a LiFePo4 battery deals with a 100% state of charge for almost its entire lifetime... This technology likes to be somewhere around 70% SOC I think,
 

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Discussion Starter · #16 ·
All good, so I can confirm Noco Genius 2 on Lithium mode works fine on the silly expensive Eliiy HY110 battery. I hope that helps a future confused AT owner.🙂
 

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When picking up my brand new '21 ATAS last week, the Honda dealer told me I did not have to worry about the battery the first 4y, as its lithium and so much better. I intend to ride all-year, so am thinking he may be right. Any contrary actual experience here on that matter?
 

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Discussion Starter · #18 ·
When picking up my brand new '21 ATAS last week, the Honda dealer told me I did not have to worry about the battery the first 4y, as its lithium and so much better. I intend to ride all-year, so am thinking he may be right. Any contrary actual experience here on that matter?
I have datatool tracker which may be the reason the battery couldn't start the bike after 6-7 weeks?
 

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I have datatool tracker which may be the reason the battery couldn't start the bike after 6-7 weeks?
It is quite possible.

Not unlike owners of cages with electronic rust protectors installed. They draw hundreds of milliamps of current when the car is parked and turned off. A few weeks of that, especially during cold seasons will challenge the cage from starting.

Another example is a HD V-Rod with an anti-theft module. It too draws almost 180 mA and within a week or two the bike won't start.
 
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