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so on my 2019 can i use my battery tender like all the other bikes or is this lithium battery requiring a special type of trickle charge ? jus making sure
 

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Use specific charger tender even though some lithium batteries that have self balancing circuits claim to work fine with regular tenders without a desulfation mode. Two of my WPS batteries died. The regular tenders never completely charged them.
 

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so on my 2019 can i use my battery tender like all the other bikes or is this lithium battery requiring a special type of trickle charge ? jus making sure
Just to confirm, did you install a lithium battery or are you assuming it came with one?

It's always a good idea to get a lithium specific charger to maintain proper balance across cells. Some batteries claim they have an internal balance. I've heard mix reviews with these. Contact TJ @RIDERsdisccount. He will give you a great deal.
 

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i was under impression the 2019 came with one ...no?
If you're talking about the new one that is possibly also a 2020...only the race package and M package have lithium batteries I believe.

My V4S came with one but Ducati does not supply a charger (they sell it as an accessory). I'm assuming BMW does the same.
 

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You likely have a stock battery on a previous generation bike, which means it is a lead acid.

Do you know how to take the seat off? It’s usually two screws in the back along the rail.
 

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lol its a standard battery iam leary of uncorking anythng on this bike without a bmw tech ...i called andthey said its a reguar battery
 

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Good thing I asked the question. It’s always good to lean about your bike. Start by reading the manual.
 

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Lithium batteries are completely different in chemistry. Either you get a charger specifically designed for Lithium or remove the battery from the bike for long term storage. Lithium has a significantly slower discharge rate than standard batteries. I have a lithium Battery from my R1 which I sold in 2014 and the Battery still measures 13v I may need to check periodically but the key is specifically designed lithium charger.
 

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lol its a standard battery iam leary of uncorking anythng on this bike without a bmw tech ...i called andthey said its a reguar battery
When taking the seat off or plastic, you just need to be careful not to cross-thread the screws. I don't know about the new bikes, but the 2015 screws and bolt assembly felt to me like they were easy to cross-thread (and made from flemsy metal). I learned after the first one that happened to be the one from the seat; partially due to the fact that it is hard to get a screwdriver in there while squeezing the edge of the seat, causing it to go at an angle and resulting in a cross-thread... :\
 

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Lithium batteries are completely different in chemistry. Either you get a charger specifically designed for Lithium or remove the battery from the bike for long term storage. Lithium has a significantly slower discharge rate than standard batteries. I have a lithium Battery from my R1 which I sold in 2014 and the Battery still measures 13v I may need to check periodically but the key is specifically designed lithium charger.
They make many smart chargers now that will properly charge multiple battery types. The NOCO chargers usually can do both, I personally like CTEK over NOCO but I do not think CTEK has a combination charger for AGM/lead/lithium. I do have both a NOCO and the CTEK and both get used regularly.

I also have a Solar PL3750 I use for automotive/heavy equipment batteries. This charger paid for itself (impressive considering it costs over $400) by bringing batteries which literally had no charge back from the dead and passed load tests without issue. Easily one of the best chargers out there, though I would not hook it up to a lithium.

If you just are looking for a cheap tender the company "Battery Tender" makes one that can handle both types (I have 2 of these kicking around and they work very well) -- they also make good, cheap lithium batteries:

https://www.amazon.com/Deltran-Battery-flooded-lithium-022-0199-DL-WH/dp/B06X9GGNZC/ref=sr_1_3?keywords=battery+tender+lithium&qid=1557932791&s=gateway&sr=8-3
 
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