How to build a Lithium battery

This battery is a 4S configuration using recycled LiIon battery cells. Nominal voltage is 14.4V and capacity is rated as 18Ah. BMS is rated at 30A discharge and 20A charge current.
This battery cost me $54.- at the time of recording. All parts can be obtained at Batteryhookup.com
Use "simplicity" at checkout for 5% off your order. The power supply is really nice as well.

Affiliate links:
Batteryhookup.com: Use "simplicity" for 5% off: https://batteryhookup.com
LiIon. battery cells: https://batteryhookup.com/products/2x...
4S LiIon BVMS: https://batteryhookup.com/products/li...
Double sighted mounting tape: https://www.amazon.com/dp/B00FUEN2GK/...
Anderson Power Poles: https://powerwerx.com/anderson-power-...