Part for Battery

MrCaspan

Active Member
Hey Guys, brought my Fat bike battery out of storage and plugged it into the bike and got nothing. I looked at the battery end and saw that one of the battery ports was a little melted. I am assuming this happened last year as I only charged the battery pack on the bike and when I removed the battery for the winter for storage it must have broke any connection it had. SO i took apart the end of the battery and the one terminal was melted into the block. I removed it from the terminal block but I am looking for a new block that fits this battery if possible? I have no clue where to even start looking for this part or if it is even possible to get it. Hoping the community can help! I need the part that I am holding in my hand, its a very hard plastic terminal block that has 2 machine thread inset's on the back

Original battery form Biktrix
 

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Nice! Let's hope Greenbike can ship it to you in Canada. I believe that if I tried to get it to the USA, it's a flat rate $40 tariff on all small packages now.
 
Mr Caspan
Make sure the outside to outside spacing measurements are the same as you need.

As I have found out,
there is several different spacing widths for the 4 and 5 pin plugs,
of these type of plugs.

I have these plugs,
4 pin = .850" outside to outside measurements,
5 pin = .900" outside to outside measurements,

I need a measurement of .750" for the 4 pin plug,
and a measurement of 1.125" for the 5 pin plug,
for my Jugg 4 Duo bike..

Still hunting for the correct size for my batt's,
as I am waiting for info from the suppliers, in the us.

Be very careful when measuring around the battery,
DO NOT SHORT OUT THE BATTERY,
when measuring the widths.
ymmv
Tia
 
Mr Caspan
Make sure the outside to outside spacing measurements are the same as you need.

As I have found out,
there is several different spacing widths for the 4 and 5 pin plugs,
of these type of plugs.

I have these plugs,
4 pin = .850" outside to outside measurements,
5 pin = .900" outside to outside measurements,

I need a measurement of .750" for the 4 pin plug,
and a measurement of 1.125" for the 5 pin plug,
for my Jugg 4 Duo bike..

Still hunting for the correct size for my batt's,
as I am waiting for info from the suppliers, in the us.

Be very careful when measuring around the battery,
DO NOT SHORT OUT THE BATTERY,
when measuring the widths.
ymmv
Tia
Yeah was going to check tonight with my calipers to make sure. It's a perfect fit for that block so it will need to be right on!

Yes all the terminals are gloved (finger condoms) and taped with electrical.. Last thing I need is a battery that big and a runaway discharge!
 
Caspan
I have a battery extender on the Juggs 4 bike which takes the 1.125" measurement for the 5 pin plug, and the in frame OEM battery takes a 4 pin plug with a .850" measurement.

I have made a extra cable that fits the Jugg4 bike to the Warthogs battery's (4), now I have LOTS of extended range...if I can find the correct plugs....to fit every thing. lol
 
Took the caliper and this is a perfect fit for my battery. I have the Juggernaut FS 2 so for anyone else looking this is an exact match. Its coming from China so well see it in 2 weeks!
 
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These 4 and 5 pin spade type connectors can collect dirt and the anti corrosive plating wears off over time. Just a small amount of resistance from dirty contacts causes heat buildup which eventually leads to the failure you've experienced. I've had it happen on two of my batteries so far.

To keep it from re occurring, I use these preventative measures:

I cover the contacts on the battery mounting bracket when the battery is not installed. This is especially important when transporting the bike. I use these cheap vinyl bar end caps:

1747312572314.jpeg
1747312660520.jpeg
1747312843882.jpeg


After prolonged storage, or at the beginning of each season, I use the flat file from this mini set to gently clean the battery contacts. Only one or two strokes are necessary. Over filing can remove the plating on the contacts.

1747313401429.png

Many here use contact cleaner spray and it may work fine for your battery but spraying the chemical into my batteries dissolved the glue holding some interior components in place.

YMMV.
 
This is actually really great feedback because every time you transport your e-bike you're supposed to take the battery off and then you get dust and build up all over the terminals and like you said any bit of dirt in there will create resistance which will create heat and it'll just compound. it's probably a good idea to clean these a few times a year if you keep taking your battery on and off.. I personally leave my battery on all year till winter but it's still probably good to clean these off once in a while.
 
These 4 and 5 pin spade type connectors can collect dirt and the anti corrosive plating wears off over time. Just a small amount of resistance from dirty contacts causes heat buildup which eventually leads to the failure you've experienced. I've had it happen on two of my batteries so far.

To keep it from re occurring, I use these preventative measures:

I cover the contacts on the battery mounting bracket when the battery is not installed. This is especially important when transporting the bike. I use these cheap vinyl bar end caps:

View attachment 193662 View attachment 193663 View attachment 193664

After prolonged storage, or at the beginning of each season, I use the flat file from this mini set to gently clean the battery contacts. Only one or two strokes are necessary. Over filing can remove the plating on the contacts.

View attachment 193665
Many here use contact cleaner spray and it may work fine for your battery but spraying the chemical into my batteries dissolved the glue holding some interior components in place.

YMMV.
Protection especially when transporting 👍
But I wouldn't file anything.
If you don't want to use contact cleaner.. an alcohol wipe/alcohol drenched cotton swab would be my next approach.
YCurrentMV
 
If the contacts have already started to discolor or burn, alcohol alone won't get them completely clean. GENTILE filing with a very fine jewelers file is the only sure way to do it. I use a set of diamond dust files meant to clean relay contacts.
 
If the contacts have already started to discolor or burn, alcohol alone won't get them completely clean. GENTILE filing with a very fine jewelers file is the only sure way to do it. I use a set of diamond dust files meant to clean relay contacts.
I concur.
Damage can be filed off. But I would not use it to remove contaminants
 
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A wire toothbrush just to knock off all that carbon I feel would work well, but a fine file should not hurt.. But yes, if you have to put your back into the stroke then you are going to create a different issue :) Contact cleaner would not hurt either from WD-40
 
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