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Jiffy176

Lithium Motorcycle Battery??

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Needed a new battery for the motorbike the other week and I noticed that Lithium is now being sold as a regular replacement.

 

Then I've seen many being sold as a car batteries.

 

A lithium with a cranking voltage higher than the 44ah car battery I'm using now in the van is not expensive and at less than 2kg would give me 8kg of payload back.

 

As I only use the 12v for the motor mover. The rest of the time we are on hook up the question I don't yet understand is how do these type of battery react to an alternator charge whilst running?

Due to the size and weight I could remove in winter to store in the garage so sub zero temperature would be ok.

 

Does anyone have any experience or knowledge, thinking would the van charger need to be switched for something specific or has the battery management got advanced enough to deal with conventional chargers?

 

Cheers.

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The makers of Lithium leisure batteries claim that they have built in battery management systems so that they can be treated as a straight replacement for an ordinary lead-acid battery.

Still a lot of money for the weight saving and how they fair, long term, remains to be seen.  

Edited by Stevan

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Reading a motorhome magazine last night, RoadPro have a ad (think its owned in someway by Andy Harris ex caravan/motorhome TV) promoting Lithium Ion batteries although no prices were given.

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It won't be long though, i paid £90 for a new Yuasa bike battery and the lithium equivalent would have been only pounds more, granted the leisure and car batteries are still hundreds but it won't be long.

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I'm looking at buying a KTM that has a Lithium battery and I'm concerned about its low temperature performance.  I can cope with putting on the Lidl charger prior to my riding day - assuming that the Lidl charger won't fry the battery.

Most of my riding is in the winter, so sub zero morning starts are frequent.

I may just buy a lead acid replacement if the Lithium one is problematic - it's only a small one so £20 isn't going to break the bank!

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We have fitted a couple into GT40’s. Cranking power seems to be adequate all year round and as they hold their charge much better than a conventional battery don’t need to be on a maintenance charge all the time, however, don’t let them remain in a low state of charge for long periods. If they drop below a certain level they can become unrecoverable. We supplied a specialist charger for each car as recommended by the manufacturer. 

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12 hours ago, AlwynMike said:

I'm looking at buying a KTM that has a Lithium battery and I'm concerned about its low temperature performance.  I can cope with putting on the Lidl charger prior to my riding day - assuming that the Lidl charger won't fry the battery.

Most of my riding is in the winter, so sub zero morning starts are frequent.

I may just buy a lead acid replacement if the Lithium one is problematic - it's only a small one so £20 isn't going to break the bank!

Starting in the cold appears ok, watched a video of some guy who sticks it in the freezer for two hours and it turns his Harley over. Apparently you turn the ignition on with the headlight on to warm the battery if really cold. This gets the science working apparently.

I've found a US company who have a supplier in Jersey who have managed to develop the BCM in such a way that it can work off of most types of charger.

My 12v runs without a battery anyway so I could just not connect the van charger, being so small I could give it a boost charge off of a specialist charger for an hour.

They sell one that is 12ah but boosts 720cca.

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