Build a custom shape battery for an inflatable catamaran

robypez

1 µW
Joined
Jun 3, 2015
Messages
4
Location
Italy
Hello everybody, this is my first post.
I'm trying to build a battery pack for a 30 lbs trolling motor.

I need to push a light inflatable catamaran, and at the moment I'm using this LTE battery from italian Lipotech.

http://www.lipotech.net/storeindustria/index.php?id_product=68&controller=product

The problem is the size: using a sealed box the battery is very huge for my catamaran, and I don't have a good place to keep it safe.

I want to build a cylindrical shape battery pack 12 V / 25 Ah but I cannot find a good tutorial. I'm trying to read some discussions here, but it's a huge community.

Any hint?

(Sorry for my english)
 
Either 18650 can cells or RC Lipo pouch packs could be assembled into a tube-shaped pack, either short and fat or long and thin. The 18650s are safer (fire risk) and longer-lived but require spot-welding together and are a bit more expensive.
 
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