POLL: Lithium-ion Batteries and Battery Tenders - Honda CRF1000L Africa Twin Forum
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post #1 of 27 (permalink) Old 02-09-2019, 02:26 PM Thread Starter
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POLL: Lithium-ion Batteries and Battery Tenders

Whatís everyone doing with their Lithium-ion batteries for winter storage?

I did the typical things one does for motorcycle winter storage, but I wasnít too worried about the battery, having read all the great stuff about Li-ion batteries: they hold their charge well, like the cold, last longer when stored with a partial charge, etc.

I have a BikeMaster Li-ion charger/ maintainer. Just picked it up last week. But for now, Iíve just got the negative terminal on my bikeís battery disconnected and the battery in the bike, in the unheated garage.

I'm going to leave it alone and before I take it out for the fist time in spring, I will top off the battery with the charger. (My only concern is the varying temperature swings in the garage, but Iím not concerned enough to bring the battery inside (where itís probably a bit too warm for Li-ion battery storage, anywayóI could put it in the refrigerator, but Iím not going to bother with it).

But what are others doing?

1. On trickle charger/ battery maintainer all winter?
2. Disconnecting the battery from the bike but planning on topping off before first spring outing?
3. Disconnecting but not planning on topping off?
4. Leaving battery connected but planning on topping off?
5. Leaving battery connected but planning on just firing up and going on first spring outing?


Feel free to elaborate in a reply, e.g., if you remove the battery altogether and bring into the house for a more stable temperature, if you actually go to the trouble of discharging some to store it with a partial charge, etc.


It would be interesting to do some long-term testing:
Case A) On trickle charger all winter every season.
Case B) Disconnected and topped off every season.
Case C) Disconnected but no top off. (Maybe you don't have a charger).
Case D) Connected all winter and topped off every season.
Case E) Connected but no top off, just fire up and go every season.

Iíll be Case B. So, we have a start.

Iíd be interested to know what others are doing. Thanks everyone, Gary

Ö

2018 Honda Africa Twin Adventure Sports - Manual.
Setup: Givi Tall Sport Touring Windscreen; Hepco & Becker Lower Engine Guards; Hepco & Becker Handle Bar/ Hand Guard Protectors; Hepco & Becker Tank Guard Soft Bags for OEM Uppers; HTTMT Kickstand Pad Extender (Red);
RAM Mounts X-Grip; Swegotech Forkshield; Touratech Zega Mundo Panniers and 2018 Rack (31/38L); Touratech 20mm Bridged Handlebar Riser; OEM center stand; OEM skid-plate, uppers and tires.
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post #2 of 27 (permalink) Old 02-09-2019, 02:28 PM
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Quote:
Originally Posted by garyh View Post
Whatís everyone doing with their Lithium-ion batteries for winter storage?



I did the typical things one does for motorcycle winter storage, but I wasnít too worried about the battery, having read all the great stuff about Li-ion batteries: they hold their charge well, like the cold, last longer when stored with a partial charge, etc.



I have a BikeMaster Li-ion charger/ maintainer. Just picked it up last week. But for now, Iíve just got the negative terminal on my bikeís battery disconnected and the battery in the bike, in the unheated garage.



I'm going to leave it alone and before I take it out for the fist time in spring, I will top off the battery with the charger. (My only concern is the varying temperature swings in the garage, but Iím not concerned enough to bring the battery inside (where itís probably a bit too warm for Li-ion battery storage, anywayóI could put it in the refrigerator, but Iím not going to bother with it).



But what are others doing?



1.On trickle charger/ battery maintainer all winter?

2.Disconnecting the battery from the bike but planning on topping off before first spring outing?

3.Disconnecting but not planning on topping off?

4.Leaving battery connected but planning on topping off?

5.Leaving battery connected but planning on just firing up and going on first spring outing?





Feel free to elaborate in a reply, e.g., if you remove the battery altogether and bring into the house for a more stable temperature, if you actually go to the trouble of discharging some to store it with a partial charge, etc.





It would be interesting to do some long-term testing:

Case A) On trickle charger all winter every season.

Case B) Disconnected and topped off every season.

Case C) Disconnected but no top off. (Maybe you don't have a charger).

Case D) Connected all winter and topped off every season.

Case E) Connected but no top off, just fire up and go every season.



Iíll be Case B. So, we have a start.



Iíd be interested to know what others are doing. Thanks everyone, Gary



Ö
Riding it. Although, yesterday the roads were covered in ice so maybe that's not the safest idea.

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post #3 of 27 (permalink) Old 02-09-2019, 02:31 PM Thread Starter
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****. Having trouble setting up poll...

2018 Honda Africa Twin Adventure Sports - Manual.
Setup: Givi Tall Sport Touring Windscreen; Hepco & Becker Lower Engine Guards; Hepco & Becker Handle Bar/ Hand Guard Protectors; Hepco & Becker Tank Guard Soft Bags for OEM Uppers; HTTMT Kickstand Pad Extender (Red);
RAM Mounts X-Grip; Swegotech Forkshield; Touratech Zega Mundo Panniers and 2018 Rack (31/38L); Touratech 20mm Bridged Handlebar Riser; OEM center stand; OEM skid-plate, uppers and tires.
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post #4 of 27 (permalink) Old 02-09-2019, 02:33 PM
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Im not sure that the Lithium battery needs any care during the winter.. I would leave it.
we don't have proper winters here in the UK.. so, the bike is left standing for a week or two at most between good weather conditions.
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post #5 of 27 (permalink) Old 02-09-2019, 02:36 PM Thread Starter
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Quote:
Originally Posted by Motobiker View Post
Im not sure that the Lithium battery needs any care during the winter.. I would leave it.
we don't have proper winters here in the UK.. so, the bike is left standing for a week or two at most between good weather conditions.
Yeah. That's what I'm thinking too. Even for several months.

I think it makes sense to disconnect the negative lead when stored for several months, but keeping it on a trickle charger probably doesn't help much and actually may be worse for long-term.

But just plain leaving it alone and firing up in the spring probably has little adverse long-term effect. Leaving it alone and topping off, maybe marginally better?

But I wish I could figure out how to make this a proper poll without raining a bunch of threads down...

...
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2018 Honda Africa Twin Adventure Sports - Manual.
Setup: Givi Tall Sport Touring Windscreen; Hepco & Becker Lower Engine Guards; Hepco & Becker Handle Bar/ Hand Guard Protectors; Hepco & Becker Tank Guard Soft Bags for OEM Uppers; HTTMT Kickstand Pad Extender (Red);
RAM Mounts X-Grip; Swegotech Forkshield; Touratech Zega Mundo Panniers and 2018 Rack (31/38L); Touratech 20mm Bridged Handlebar Riser; OEM center stand; OEM skid-plate, uppers and tires.

Last edited by garyh; 02-09-2019 at 02:47 PM.
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post #6 of 27 (permalink) Old 02-09-2019, 05:25 PM
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Have been trying to figure this out what to do with the battery as well. Back in mid-November I pulled the battery out and brought it inside. Didn't put it on a tender or anything, just set it on the bookshelf. During the warm spell at the beginning of last month I put the battery back in and the bike fired right up and I went for two rides. It's an expensive experiment to try, but I think I'm going to leave it in the bike in the unheated shop until spring rolls around and then just try and start it up. Should probably disconnect the negative terminal as well, but I'm hoping that there's going to be a day or two soon enough where it's warm and dry enough to ride and that should be enough to keep it charged until spring.
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post #7 of 27 (permalink) Old 02-09-2019, 06:04 PM
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You might find this interesting, a snip from the press release from EliiyPower, the manufacturer of the OE battery.

Quote:
ELIIY Power’s HY110 Lithium-Ion Motorcycle Starter Battery Is Adopted as Standard Battery for Honda 2018 Model CRF1000L Africa Twin

Approx. 2.3kg Lighter than Lead-acid Batteries and High Performance Startup Even at Low Temperatures (-10 deg. C)

ELIIY Power Co., Ltd. (Head Office: Shinagawa-ku, Tokyo, Japan; President: Hiroichi Yoshida) today announced that its HY110 lithium-ion motorcycle starter battery has been adopted as the official standard battery for the 2018 CRF1000L Africa Twin Adventure model announced by Honda Motor Company, Ltd. (Head Office: Minato-ku, Tokyo, Japan; hereinafter referred to as “Honda”) on February 26, 2018.

In comparison with the conventional lead-acid battery used in the previous CRF1000L Africa Twin model, ELIIY Power’s HY110 contributes to reducing the weight of the motorcycle by approximately 2.3kg. Despite this significant weight reduction, the battery also demonstrates high performance startup capabilities, even at temperatures as low as -10 deg. C. The HY110 battery also has the highest rated capacity (6.0Ah) and CCA (Cold Cranking Amperage, 120A) in the HY Battery Series, and offers the greatest resistance to long-term disuse and best engine startup performance.
Purely anecdotal of course, but its often stated that these batteries lose 1% of their charge per Month. so... over a year of non-use, thats 12% would it still start the bike? My bet is yes it would.

http://eliiypower.co.jp/english/vc-f...08_Release.pdf
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post #8 of 27 (permalink) Old 02-09-2019, 08:52 PM Thread Starter
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I agree with you guys.

It will be interesting to see what happens over time.

My plan is to simply disconnect for the winter and (probably needlessly) top-off before first ride in spring.

And Motorwerx, I'm guessing the difference between disconnecting and leaving connected is negligibleóat least for the first several years, depending on use, etc.

And I'm betting you're exactly right, Motorbiker: one could park the bike for a year or more and, everything else aside, the battery will do its job just fine.

But I do wonder what time will tell us about battery tenders for these newer Li-ion batteries. Everything I read tells me these batteries age best when stored with less than a full charge. A battery tender designed to maintain a 40% charge might be something that could enhance the batteryís lifespan, who knows. But I have to wonder if keeping it topped-off might actually do the opposite (however marginally).

Probably not something to worry too much about one way or the other, but interesting to think about.

And for me, bike storage definitely applies because I am *not* a cold weather rider anymore. Did enough of that in my youth. I have a car. Itís nice and warm. And dry. Say what you will, but Iím a fair-weather rider. Iíll have to concede a bit when we plan our longer rides, but as little as possible. And my bike will likely spend 2 or 3 months every year in ďlong-termĒ storage.

Gary

Ö

2018 Honda Africa Twin Adventure Sports - Manual.
Setup: Givi Tall Sport Touring Windscreen; Hepco & Becker Lower Engine Guards; Hepco & Becker Handle Bar/ Hand Guard Protectors; Hepco & Becker Tank Guard Soft Bags for OEM Uppers; HTTMT Kickstand Pad Extender (Red);
RAM Mounts X-Grip; Swegotech Forkshield; Touratech Zega Mundo Panniers and 2018 Rack (31/38L); Touratech 20mm Bridged Handlebar Riser; OEM center stand; OEM skid-plate, uppers and tires.
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post #9 of 27 (permalink) Old 02-11-2019, 01:58 PM
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I'm using an Optimate/Tecmate Lithium 0.8A connected all winter.
I don't ride if there's even a sniff of road salt so the bike is moth-balled for 3 or 4 months.
I've got an alarm and a Scottoiler Esystem connected so there's a constant, albeit small drain on the battery.

I couldn't be bothered disconnecting the battery as it's such a pain to do.

Right or wrong? Time will probably tell.
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post #10 of 27 (permalink) Old 02-11-2019, 06:07 PM
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so from my remote control toy experience .. i use lipo's and have done for years.. when not in use they need to be balanced charged at 70% .. leaving a lipo at 100% gives it no room for heat/cold fluctuation and the lipo mmay swell or buldge.

never completely drain a lipo under 35% or you will drastically reduce its life span.

most lipos are good for approx 10000 cycles ( from 35% -100%-35%)

if you have a float charger that has a discharge function would be ideal if you have to leave it on a trickle for a long period of time.. so it peaks then draws then peaks then draws ect ect ..

at the start of every rc season i discharge all my batteries thru the balance charger from there storage charge of 70% down to 35-40% and then recharge as i use them ..

it is also recommended that when charging a lipo the battery is retained in a fire proof bag or box as they can be volatile little suckers ...( you tube lipo explosion ... its not pretty)


hope this helps..
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