Go Motorboard 2000K - Roth Motors - Looking for some Help...

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doralevich
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Joined: 05/04/2009
Points: 18

Hey All, I'm hoping someone here can help me out, I'm completely new to this, but found the group by doing a Google Search.

I just purchased a Go Motorboard 2000X from Craig's List - mint condition, some wear on the tires and 2 batteries. It came with the original battery (which the guy said could still work) and what was supposed to be a brand new battery (never used). When I got home, I charged the "new" one about 8 hours + and got about 30 seconds worth of juice on it until I went from full battery to nothing. I am pretty sure that I charged it correctly. Just plug the battery in and connect the charger (I made sure that the scooter was off), right? I did this a few times throughout the past 2 days with both batteries, but get the same result on both.

Any suggestions? Ideas?

The guy who I bought it from seemed like a good guy and promised me that it worked. Is it possible that the "new battery" having never been used, never took to a charge and will never work? Is there a special way I have to charge these battery's, a sequence, or something that I'm missing.

What is my best bet in fixing this. Your suggestions above are something that I just am not capable of understanding, it all sounds a bit foreign to me (kudos to you guys). I read about upgrades to batteries (more power, longer life etc). Am i just too nice of a guy and took someone's word on it working.

I have had a hard time getting people who know about this stuff and or reaching Roth themselves.

Any help would be appreciated and helpful.

Thank you!
David

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coldem
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Joined: 12/04/2008
Points: 19
Re: Go Motorboard 2000K - Roth Motors - Looking for some Help...

The batteries that the guy promised would be new may have been new. The problem with these batteries is that when they sit uncharged, the cells die, causing them not to hold a charge. New batteries would probably correct the problem. I would ask the guy also how old the "new" batteries were. There is nothing else that you can do except to get new batteries. When you get new batteries, the trick to make them last the longest is to always keep them charged.

Colin

doralevich
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Joined: 05/04/2009
Points: 18
Re: Go Motorboard 2000K - Roth Motors - Looking for some Help...

Thanks Colin, I appreciate the answer....So, I'm left with getting a new battery pack. I've called around and now am looking to get a new battery, seems like there are a lot of different nuances options etc. Can you/someone tell me the difference and what would work if any/all?

If the specs for the scooter says Lithium Polymer, can I use a Lithium Ion Pack?

Here are the different options I was offered from various people/companies:

2x (run parallel) 14.4V 7Ah Lithium Battery Pack
(I'd like to know if this one is good and will work, it's the best deal).

D Cell Replacement Battery Pack

18.5V 8Ah Lithium Ion Battery Pack

NiMH 14.4V 10Ah

18.5V Lithium Polymer 8Ah Battery Pack

14.4V NiMH Battery pack

Thanks so much for anyone's help.

David

sixpax2k9
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Joined: 03/25/2009
Points: 285
Re: Go Motorboard 2000K - Roth Motors - Looking for some Help...

It really depends... You never posted what the specs on the scooter Voltage was.

A really quick rundown on batteries.....
14.4V 7ah
obviously it is a 14.4 Volt battery, the 7ah is basically how long the battery will last for
The larger the number the better.

If you wire batteries in Parallel the voltage stays the same and the ah is added together.
In Series, you add the Voltages and the ah stays the same.

Anything under 10ah is not going to give you very much run time and distance.

A Lithium Polymer is pretty much what it sounds like... Any battery made with Lithium.

__________________

Dave ; Tennessee
XB-600.

coldem
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Joined: 12/04/2008
Points: 19
Re: Go Motorboard 2000K - Roth Motors - Looking for some Help...

Most scooters use S.L.A. batteries. this is what i would suggest buying. I would get a phone number for the scooter company and ask what kind of batteries will work.

Colin

reikiman
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Joined: 11/19/2006
Points: 8454
Re: Go Motorboard 2000K - Roth Motors - Looking for some Help...

Most scooters use S.L.A. batteries. this is what i would suggest buying. I would get a phone number for the scooter company and ask what kind of batteries will work.

While that's generally good advice it's not true for the Go Motorboard 2000x ...

In that design it was the original design (the 1500) which had lead-acid batteries (Hawker Cyclon). Later versions used NiMH and IIRC some kind of lithium ION.

Also it appears the manufacturer isn't in business. They changed their name 1-2 yrs ago to Roth Motorboards and if you yahoogle that it turns up a web site that looks like a defunct company.

__________________

- David Herron, Green Transportation Examiner, Green Transportation Info, The Long Tail Pipe, Electric Race News, davidherron.com, 7gen.com, What is Reiki
- Charger bike (rebuilt), Electrified Electra Townie, 1971 Karmann Ghia

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