Replacing dead SLAs with Lithium battery

Lightweight / Folding / Portable EVs - seats optional
Post Reply
Tyson25   1 µW

1 µW
Posts: 4
Joined: Nov 19 2015 10:07am

Replacing dead SLAs with Lithium battery

Post by Tyson25 » Nov 19 2015 10:13am

I am very new to this and I just got an older electric skateboard that has some old dead SLA batteries in it. From researching it seems like Lithium is the way to go. Here are the current batteries. http://i.imgur.com/qbTitbX.jpg
Any recommendations or tips for new batteries? Also, if I go with Lithium batteries is it safe to wire them to the old controller and electronics?
I hope this hasn't been asked a thousand times. I searched for answers and had trouble finding them.
Thanks

User avatar
Nobuo   10 kW

10 kW
Posts: 839
Joined: Nov 21 2014 3:38am
Location: Madrid

Re: Replacing dead SLAs with Lithium battery

Post by Nobuo » Nov 22 2015 9:06pm

the most important thing is to keep the similar voltages. I see you controller and batteries work at 24V.

If want to use a lithium-ion battery you need to install a 7s (25.2Vnom 29.4Vmax) in that case voltages are pretty similar you could even use the same charger because it will cuts at 29.4V. If the current fits the new battery charge ratings there would be not any problem, float charge stage should not annoy the lithium-ion charging.

You could buy the pack in a shop, from a battery builder, of doing it by yourself, here the possibilities are huge
* Lithium + Air = Fire * <-----> ** Lithium + Chemical-Additives + Air = ZERO Fire **
<Battery and EV works>
https://facebook.com/evmadrid1
<Battery building resources>
http://www.endless-sphere.com/forums/vi ... 14&t=68005

Tyson25   1 µW

1 µW
Posts: 4
Joined: Nov 19 2015 10:07am

Re: Replacing dead SLAs with Lithium battery

Post by Tyson25 » Nov 25 2015 12:19pm

Thank you. That was very helpful.

Post Reply