In light of my current battery troubles I did some browsing and found a good deal on a 48v 20ah LiFePO4 pack with a 50amp bms (100amp peak) for roughly 350... a smidge more than I paid for my 48v 20ah lithium ion battery pack with the 18650s. So I got to thinking... 18650 cell battery pack or...

So out of nowhere my 48v 20ah lithium ion battery pack started tripping the bms board at anything over half throttle. I swapped the motor for a different motor, still does it. I swapped speed controllers for another speed controller... still does it. Tried both new parts together, still does it...

Alright so already my 3 12v 18ah batteries are quickly losing their longevity of run time sooooo I'm looking into overvolting the system with this...

Hey there folks!!! I just bought 2 new 650's that should arrive by Friday. Im excited to introduce my 12YO daughter to the world of dirt biking via this product. I have been reading some of the older threads (2004-2006) that discuss upgrading the batteries to increase ride time and power...

I was wondering where I can purchase an alternator to charge my battery while running. I've seen some bikes that charge themselves whilst running, I want that on my bike too and I'm pretty sure it's an alternator that does that. I'm new to this stuff, thanks! :)

Hi everyone i have a x19 super pocket bike and i am living in the uk my problem is that when i press the starter button all i get is one click and a while back i was being 'smart' and tried jumping my starter with a fully charges 12v battery straight to the starter i connected positive to red...

Is there any way to check if your battery is good or bad without buying the charger? i heard it was possible to make a charger too, is that right? none of my electronics work.:(

I picked this up for free and then bought another razor dirt bike that has a good charger with it. I hook up the charger to the dirt bike and the light goes red for charge. I hook it up to the pb200 and the light stays green. left it for 24 hrs and no change. when connected it powers up the...

i just got a ninja ultra x-8 pics to come.. i need a diagram of some sort explaining how to install throttle cable to carb, not-so mechanically inclined... also which battery do i need for it... i cant seem to find the cables that attach to the batt. cause i have old scooter batteries i would...