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Yes I have plans on using the SLA but in a different set-up right now they're set -up as 72 volt @ 20ah new set-up will be 12volts @ 120ah for a different project. So they won't go to waste, yeah part of the problem is the bike will last about 3 trips back and forth to my work then it starts...

I am thinking of it like the new battery pack can be charged 5-10 thousand times as the SLA is only good for about 3-4 hundred charges. And if only used lightly maybe will get even more charges from them. I would think that it would be easier to charge a half drained battery then a fully drained...

the new pack is 30.4 ah as the old is 20ah So yes I will get more out of the new pack that way. The old pack can deliver a max w/h of 1,440 but really can only discharge to 50% with the new one it can deliver a max w/h of 2,188.8 and can discharge to 70% But I was also looking at it as it...

yes so i took the panels off to get a better look at the controller and it is in deed a 38 amp if figured it would be 40amps or less. I know the controller goes by amp and not amp hours. My concern was that the battery pack itself is 96 amps max output. What I was thinking is yes the controller...

garbage

It will do 50 all day but that's not what I'm going for. I want a battery that will last longer and go farther between charges.. That is my goal that and take away about 60 pounds or so from removing the SLA batteries..

I was hoping that I could just make the battery and do the swap with no other mods but a new charger for the Lithium Battery as they require a different charger.. If I did have to change the controller I would think that if may only have to be like a 40ah controller as I don't think that the...

The factory li_ion is made up with 18650 cells that are 3.7v per cell. The Pack that they offer is 72volt with a 30ah. It looks like the factory controller is that of 30ah it's hard to read unless I take a bunch of panels off the bike..

So I got a new bike it's a 72v Emmo Knight Sport. I came with 6 12v 20 AH SLA batteries and they wanted $ 1300 for the upgrade to Lithium 30 AH. So I wanted to build my own battery pack using the K2 26650 3800mAH cells. I am going to be making a pack that will be 24s 8p so it will be 76.8v 30.4...

Thanks I have built smaller packs before but this is by far the largest one. The BMS that I got for the pack is good for 100 amps I just wasn't sure on the controller end of it.

So I got a new bike it's a 72v Emmo Knight Sport. I came with 6 12v 20 AH SLA batteries and they wanted $ 1300 for the upgrade to Lithium 30 AH. So I wanted to build my own battery pack using the K2 26650 3800mAH cells. I am going to be making a pack that will be 24s 8p so it will be 76.8v 30.4...

Awesome thank you from what I can see the controllers are pretty cheap I could always pick up a better one. So I would be looking for one that is higher voltage or higher amps?

Hello everyone Steve from Ontario Canada. I just picked up a 500w Gio PB710 Ebike. I want to swap out the SLA batteries for a LIFEP04 Lithium iron phosphate battery bank. The question I have is my controller is 48v 17ah 60a and the SLA batteries are 4 @ 12v x14ah my new battery is 51.2v 19ah 60a...