Upgrading to lithium battery? - KTM Duke 390 Forum
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post #1 of 53 Old 06-25-2016, 02:27 AM Thread Starter
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Upgrading to lithium battery?

Has anyone upgraded to a lithium battery? Just came across this video.

https://www.youtube.com/watch?v=2lfD...CiH-3zKnDPUVzK

Wondering are there any downsides to using the lithium. I dont currently have anything running off the battery while at rest (alarm etc) and I ride every single day. Wondering if this is a practical mod. They say it has a weight savings of over 6 lbs (for those too lazy to watch)
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post #2 of 53 Old 06-25-2016, 03:24 PM
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Swapping out your OEM battery for a Lithium Ion-unit is an excellent upgrade, with the only downside being the higher cost of the new battery. I am planning to do the same. There seems to be a consensus that Anti-Gravity may be the best made of the numerous US-made lithium-ion batteries.

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post #3 of 53 Old 06-25-2016, 08:52 PM
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I put a Shorai in my Mini Duke shortly after I got the motorcycle. I may have written down how much the weight difference is, but it is, as said earlier, around 6 pounds. For those of us that like the stock exhaust, but want the lightest 390, the Shorai is a good alternative.

I was once on a 250 KLX Kawasaki, in Eglin AFB. That's in sandy Florida, panhandle. I fell off the bike midstream, drowning it in the process. If I would have had a lead/acid battery, I'd have been in deep doo doo. It took a LOT of cranking to get the ol KLX going again. Thank goodness I had a Shorai. 6 of my 7 bikes have Shorais. I can't say enough good things about them.
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post #4 of 53 Old 06-26-2016, 01:13 AM Thread Starter
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Thanks for the feedback. I will most likely be purchasing a comp werkes full system in the future as well. Not for sound but rather for the weight savings and for getting some of that heat away from my rear shock as well as my legs.
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post #5 of 53 Old 06-26-2016, 06:17 AM
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What is the part number & price for the shorai battery to suit the 390 Duke? also what do they weigh?

Here in Australia the SSB Lithium Ion Ultralite batteries are reliable & reasonably priced, I have just fitted one in my 1290 Superduke

The SSB Li to suit the 390 Duke>

SSB PowerSport > Products > Product List

As you can see it is made by Skyrich, same battery>

YTX9-BS Lithium Ion Battery | SkyrichBattery.com

Another option for those that dont want to (or need to?) spend as much for the same thing
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post #6 of 53 Old 06-26-2016, 06:29 AM
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Shorai options>

SHORAI 390 DUKE

I would prefer the Skyrich / SSB options for the price
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post #7 of 53 Old 06-26-2016, 09:17 AM
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I put a WPS battery in the 390. I also have one for the Grom. Direct fit, lightweight, and great cranking amps.
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post #8 of 53 Old 06-27-2016, 06:48 AM
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I installed the anti gravity battery mainly to free up space for the installation of power commander and auto tune modules neatly in the battery compartment.
The weight saving was a bonus.
The bike starts easy every time and I only ride it once or twice a week being winter here in Australia.
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post #9 of 53 Old 06-27-2016, 07:39 AM
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Which Antigravity battery model is the correct one for the 390 Duke? I don't see our bike specifically listed on the A-G website.

Also, I remember considerable discussion, at least early on in the development of Li batteries, that there was degraded performance compared to lead-acid in cold temperatures. (I believe this is still true for phones and cameras.) I read that allowing the headlight to be on for a couple minutes warms the battery enough to allow the juice to flow.

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post #10 of 53 Old 06-27-2016, 10:37 AM
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I've been running this one for 10 months/6.7K miles with no problems:

Antigravity Small Case 8-Cell 240CA Lithium Ion Battery - RevZilla

I also ordered this for winter but haven't used it since I've been able to ride at least a couple times every month in Nov/Dec/Jan/Feb:

Battery Tender Lithium Junior - RevZilla
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