Lithium batteries/ regulators

griff851

If have come across very pleasant news, however i've been asked to wait to release. If you need a new regulator or thinking of a Lithium battery (I am now after waiting years for developments to occur), please see if you can hold off for a month or so. PITA due to riding and racing seasons starting, but that's life.

PTwo

Tease.

DezmoDog

And if you are thinking of a lithium battery you really do need a modern regulator also. Ask me how I know.

A battery monitor isn't a bad idea either.

I'll be interested in your news but it's too late for me. Been there, done that (4 years ago), then bought the mosfet regulator... and put another lithium in. So far so good.

And I just ordered one for my track bike last night. SWORE I'd get an AGM to avoid the costs but just couldn't do it.

griff851

https://youtu.be/mEr6xSGLC48

MarkT

DezmoDog wroteAnd if you are thinking of a lithium battery you really do need a modern regulator also. Ask me how I know. A battery monitor isn't a bad idea either. I'll be interested in your news but it's too late for me. Been there, done that (4 years ago), then bought the mosfet regulator... and put another lithium in. So far so good. And I just ordered one for my track bike last night. SWORE I'd get an AGM to avoid the costs but just couldn't do it.

Good way to get that point across. So much hoopla over using Li batteries without explaining the downsides.

I am surprised that the EarthX failed like that--I thought the BMS chip in the battery was supposed to cut off charging when it senses an overcharge.

I popped the top off another brand in my Wraith due to a failed rectifier when I was a few miles from home.

I bought the EarthX because there is a BMS integrated into their battery. It has worked so well for me that I sent them a photo of me and my Wraith-- and they put it on their website.

It is pretty disappointing to see that the BSM does not function as advertised.

I have put a voltmeter on all of my bikes since '97 when my 851's red charge (lack of) light went on-- and my 851 shut dow. Ducati red light = dead battery.

On my Wraith I thought I was close enough to get her home before she would meltdown and go up in flames. Lucky for me the battery just popped off its top and smelled like stink. Next time I will quickly park the bike.

This is the danger of using an LI battery without the correct charger.

griff851

I brought a car cigarette lighter digital type volt meter, cheap as, gutted it and stuck it on the front subframe, wired strait to the battery . Worked a treat until recently😁 . Only prob is you glance at the dash and see 14:20, oh just past lunch time, no wonder i’m hungry! 😁 . Also tells me if i’m about to waste my time trying to start it.

DezmoDog

MarkT wroteGood way to get that point across. So much hoopla over using Li batteries without explaining the downsides. I am surprised that the EarthX failed like that--I thought the BMS chip in the battery was supposed to cut off charging when it senses an overcharge.

That picture is a few years old now. I contacted EarthX after it happened and sent them the battery back. The guy there later told me the battery must have seen in excess of 60 volts (IIRC) to melt down like that, AND that they had upped the protection on them. I don't recall if it was because of mine or if it was already in the works. In any case, if you bought your EarthX in the last four years(?) it probably has better protection than mine had.

FWIW I replaced the melted one with another EarthX. I also run a mosfet regulator now, and a battery monitor. No problems since.

freqrider

Hmm? I've been running a Shorai in my SPO for years now. I did change to an aftermarket regulator many years ago when my stator wires melted! :/ Those Shorais are lithium IRON though. I wonder if that makes a difference?

DezmoDog

freqrider wroteHmm? I've been running a Shorai in my SPO for years now. I did change to an aftermarket regulator many years ago when my stator wires melted! :/ Those Shorais are lithium IRON though. I wonder if that makes a difference?

No difference, EarthX is LiFePo also. As far as I know all the lithiums for bikes are lithium iron. The terms lithium ion and lithium iron are being used interchangably in a lot of places, including some battery manufacturers! I just bought a battery that says ion on the label and iron in the documentation... WTF? It's for my track bike so I'll run it and see what happens but come on people, if anyone should get it right it's the companies that make them.

RON816

What was the reveal/great news re lithium batteries and regulators, can't find anything here.??

chris ardern

lithium JMT

I've been running a JMT in my 851 for 3-4 years now with no problems

jakepeewee

Chris,
Which JMT battery do you have installed in your bike?

chris ardern

lithium battery

I run a JMT YT9B. Around £78.00 on ebay..

I've got the same on my panigalli 1199 too with no problems for 3-4 years also.

hope this is ok for you too.

chris

ducati dad

What charger do you use and how much did it cost ,if you don't mind telling?

griff851

Ta dah.
https://ricksmotorsportelectrics.com/Hot-Shot-Series-Rectifier-Regulator-Lithium-Compatible-14_001H

adie851

I've been looking into replacing reg/recs on my bike....for MOSFET type..these are compatible with Lithium batteries......so I'm lead to believe....they switch off the charging cct when they detect 13 or 14volts....? Hence prevent overcharging...as a lithium battery doesn't like ..or need.. to be constantly charged like an old lead acid battery....hence the melt down in the picture above in this topic..There's a few makes on the market in the UK..its just a case of trying one...I also use a voltmeter, directly wired across the battery..then you can see when the reg/rec is charging..and also when its not....and the battery voltage at a standstill when the engine isn't running...simple idea..and it works...

Cheers,adie851

Mr.R

Adie you need a Mosfet made specifically for Lithium batteries, as these regulate the volts down lower to suit. Ordinary Mosfet's run in the same range as standard reg/recs'

Steve R

griff851

Having a lithium compatible regulator for our system has been a long time in coming. And only cost US$10 more than a standard mosfat type.
Lithium batteries hit the market, but if you just stuck them in, you ran the risk of it being blown up or melt down due to excess voltage, if the regulator had a hiccup.
Normal regulation is 13.25-14.25V. But 15+ can occur as your regulator starts to die, or it's keen to charge a low voltage battery. Other weird stuff at low voltage also happens. The lithium batteries I've seen have a charging range written on them. (For warranty claims)
I just stuck one of Ricks in today. It maxes out out 14.07v.
I don't have a lithium battery because they don't make much cost effective sense for a road going machine in my view. Race track, different world.

adie851

Thanks Steve,

How's life down there in the wild wild West....?

Cheers, adie851

Mr.R

adie851 wroteThanks Steve, How's life down there in the wild wild West....? Cheers, adie851

Pretty good mate, I've retired and have been passing my time rebuilding a little 250 Desmo project.

Steve R