Lithium battery - BMW G310 R/GS Forum
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post #1 of 29 (permalink) Old 07-12-2019, 10:31 AM Thread Starter
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I fitted a lithium battery to my KTMDuke 390 (similar bike to the BMW)
The weight saving was 3kg! Right where you’d want it most, high up on the bike.

Well worth thinking about in my opinion.
The battery was exactly the same dimensions as the original, in fact the same make, so it fitted straight in.
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post #2 of 29 (permalink) Old 07-12-2019, 05:12 PM
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Finally! A member who is willing to contribute to this forum. I was starting to get bored.

What was the brand?

I'm leaning toward EarthX brand. It comes with 2-3 years warranty.
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post #3 of 29 (permalink) Old 07-12-2019, 06:01 PM Thread Starter
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Exide, same as the OE battery. (UK bike)

Duke 390 though.

I’m sure the BMW will have a similar battery. I bought the Exide because it’s a respected brand and being the same physical size it fitted perfectly.

(Some Lithium batteries are smaller, which is OK but the battery holder might need modifying)
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Last edited by lightning; 07-12-2019 at 06:04 PM.
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post #4 of 29 (permalink) Old 07-19-2019, 09:41 AM
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I was thinking about Lithium batteries but they need different chargers and are more expensive. also, they can explode. I am vaping, so I know about the dangers of Lithium batteries - people ended up in the hospital because of them. I think that the sealed regular batteries are just adequate, though more heavy. you will not notice the difference anyway.

as you love riding, you need to love you bike
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post #5 of 29 (permalink) Old 07-20-2019, 01:00 PM Thread Starter
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If you buy a branded make such as Exide it will be fine.
They are now fitted as standard on many new bikes, l never heard of one exploding. But l wouldn’t fit an unbranded one for this reason.

It is true l am not sure you’d really notice a 3kg weight reduction but it is a fair bit of weight high up on the bike where losing weight is most important.

Last edited by lightning; 07-20-2019 at 01:03 PM.
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post #6 of 29 (permalink) Old 07-20-2019, 01:41 PM
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my understanding is that Lithium Ion (m/c batteries) are all OK [ but dislike cold weather]
but
its Lithium Iron that may have excitable effects ..!!
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post #7 of 29 (permalink) Old 07-20-2019, 11:31 PM
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I'm already thinking of a Li-ion battery for the size and weight saving, or I guess you could fit a larger capacity one in the same space :-/ ?
I've heard about the cold-weather issues, but it's not a concern for me as I live in the tropics.
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post #8 of 29 (permalink) Old 07-21-2019, 06:23 AM Thread Starter
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It’s only an issue at well below freezing.

The bike doesn’t need a higher capacity battery, standard specification will be fine.
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post #9 of 29 (permalink) Old 07-21-2019, 08:45 AM
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You guys might find this interesting https://youtu.be/3ywopGAXP-I
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post #10 of 29 (permalink) Old 07-21-2019, 08:34 PM
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Quote:
Originally Posted by lightning View Post
It’s only an issue at well below freezing.

The bike doesn’t need a higher capacity battery, standard specification will be fine.
.....I was only thinking of it in case you're running lots of accessories (GPS' Phone' GoPro).
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