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Old October 17th, 2017, 11:31 AM   #11
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I've been happy with my Ducati sized 16 cell Antigravity battery. Only once, while riding with heated grips and heated vest being used all day, did the low output Hyper alternator not fully recharge the battery.

If I were to purchase today, I'd ask EarthX for the biggest possible battery to squeeze into the Hyper battery compartment. This is because of the sophisticated protection circuitry built into the EarthX. Unique to EarthX.

The single biggest mistake people make when purchasing lithium is getting a size which is suitable for mild weather, thus too small for any challenging situation.
Right, I read most of that thread but not all. Good stuff but hard to wade through it. But I agree, seems riders tend to undersize the battery.

Low output Alternator? The Hyper puts out 490 Watts! IMO, more than adequate to power everything I would ever have.

My DR650 only puts out 200W and I can still manage a Gerbing and heated grips! I do run a low draw HID bulb, but that's it.

490W output on the Strada is a Super Powerhouse for me ... but I've not tested it yet with Li-ion batt ... so, have to see.

Seems like touring riders need to pack a small charger on tour to top up battery at days end?

And what about CANbus system? Any issues when using Li-Ion battery?
And do you need a special charger to safely charge a bike with CANbus like some BMW's?

I've been using a Batt Tender and another Smart Charger on my Hyper Lead Acid, seems OK so far.
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Old October 17th, 2017, 12:15 PM   #12
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Coming from BMW the 490 watts is under powered.

Charging should be by dedicated lithium charger. Inexpensive on Amazon for the top rated.

As for Canbus, I have zero concerns and my years of experience backs that up. It puts out more consistent voltage than any lead acid or AGM battery. MUCH more consistent. That is the hallmark of a lithium battery.

My bad experience day was a lot of restarts, low RPMs and all the demand. Quick bump and I was running again.
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Old October 17th, 2017, 02:26 PM   #13
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Coming from BMW the 490 watts is under powered.

Charging should be by dedicated lithium charger. Inexpensive on Amazon for the top rated.

As for Canbus, I have zero concerns and my years of experience backs that up. It puts out more consistent voltage than any lead acid or AGM battery. MUCH more consistent. That is the hallmark of a lithium battery.

My bad experience day was a lot of restarts, low RPMs and all the demand. Quick bump and I was running again.
RSL which Anti-Gravity do you use, small case or OEM size?
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Old October 17th, 2017, 02:41 PM   #14
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The OEM size 16 cell because it was designed to fit right, and does. It is enough of a change for the cables without changing the case size.
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Old October 17th, 2017, 08:20 PM   #15
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The OEM size 16 cell because it was designed to fit right, and does. It is enough of a change for the cables without changing the case size.
"Change for the cables"?? Do you mean it's a stretch to connect them to the battery? Shorai and others provide foam inserts to ensure a tight fit. Seems pretty important that it's an easy reach to connect POS and NEG.

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Coming from BMW the 490 watts is under powered.
I get it. BMW's put out massive elec. power. Best heated grips ever!

Quote:
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Charging should be by dedicated lithium charger. Inexpensive on Amazon for the top rated.
Yet Shorai and other OEM's say it's OK to use a conventional Lead Acid charger as long as you don't leave it on to "maintain" the battery, just remove when topped up ... and no desulfate mode.

Neither of my Batt Tenders do desulfate mode. Seems the Li-Ion specific chargers are best at balancing cells (pulse?) and you can leave them on 24/7.

I'm looking at them ... reckon the Optimate is one of the best. They've been around a long time. (UK based)

Which one did you find on Amazon?

Quote:
Originally Posted by RSL View Post
As for Canbus, I have zero concerns and my years of experience backs that up. It puts out more consistent voltage than any lead acid or AGM battery. MUCH more consistent. That is the hallmark of a lithium battery.

My bad experience day was a lot of restarts, low RPMs and all the demand. Quick bump and I was running again.
I only asked about CANbus as our HyperStradas are also CANbus systems,
not sure every owner is aware of that fact.

With BMW, early CANbus systems caused a lot of headaches. Lots of bad history there, took them about 10 years to sort it out. Several GS buddies had issues that were CANbus related in some way or other. (one is sales manager at Cal BMW, the other a BMW dealer mechanic)

In that big Li Ion thread I read a few comments about how a weak batt could ruin your starter motor and may trip fuses or cause other elec. issues.

For me it's a no brainer in cold temps to do the quick battery warm up, "just in case". No big deal to me.

Until I 100% trust Li-ion ... I'll pack some sort of small charger as in cold I use Gerbing (77W) and grips/gloves (30W) at 100% all day ... so according to Cy, may need a brief charge up at days end.

I'm also buying an Anti-Gravity Aux battery to have for charging devices and to bump my friends dead bikes!

Which one do you think is best without doing OVER KILL?
(not starting a Semi Truck here!)
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Old October 18th, 2017, 03:34 AM   #16
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As for a jump battery, I would only buy the EarthX one because it is a LiPo, the others aren't. Much safer.

As for charger, this is a _cy_ top pick:
OptiMATE Lithium 4s 0.8A, TM-471, 8-step 12.8/13.2V 0.8A Battery saving charger-tester-maintainer

As for the Ducati battery leads, I flattened the positive.

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Old October 18th, 2017, 03:58 AM   #17
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Here is why lithium batteries deliver more consistent voltage.

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Old October 18th, 2017, 04:00 AM   #18
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As for heated grips, I like the OE Ducati grips as they keep my hands warm on medium through my grip buddies and thick Motoport gloves.

The OE grips are too skinny for my hands.

http://www.originalbeemerbuddies.com/
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Old October 18th, 2017, 07:49 AM   #19
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I've had a Shorai for 2 years. You can search for thread with specifics as I copied another member.

The weight savings is significant for a light bike. I'd say at least 4 lbs. The size savings helped as I also have a tuner module that rests on top of the ECU.

The terminals and hardware for the Shorai are excellent. I have a beefy aux running light setup but don't run any peripherals. I also use a standard battery tender jr. because both company's say it's fine.

Only negative is the cold weather cranking combined with my stock POS starter. You really do have to warm the battery up when the bike sits <50 F. I run the high beams for a minute or two before cranking. I originally thought my starter was toast before the forum pointed me towards Li-Io cold weather behavior.
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Old October 18th, 2017, 12:04 PM   #20
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I've had a Shorai for 2 years. You can search for thread with specifics as I copied another member.

The weight savings is significant for a light bike. I'd say at least 4 lbs. The size savings helped as I also have a tuner module that rests on top of the ECU.

The terminals and hardware for the Shorai are excellent. I have a beefy aux running light setup but don't run any peripherals. I also use a standard battery tender jr. because both company's say it's fine.

Only negative is the cold weather cranking combined with my stock POS starter. You really do have to warm the battery up when the bike sits <50 F. I run the high beams for a minute or two before cranking. I originally thought my starter was toast before the forum pointed me towards Li-Io cold weather behavior.
Ditto, except I've had mine for four years now. I don't ride the Strada all that often any more, and it does not self-discharge nearly as much as the AGM type. So I don't have to keep my bikes on Tenders, although I rotate a mini between them sporadically.

As for size and rating, the manufacturers want to sell you much bigger units that needed. The battery only stores energy, mostly for starting; it's the alternator and rest of the electrical system that provides juice for that heated gear etc.

And yes, a regular old Battery Tender works just fine with these.
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