Make Your Own Battery Pack

A Simple 12 Volt Battery Pack.
https://preparednessadvice.com/electronics/a-simple-12-volt-battery-pack/

  A friend of mine made some battery boxes using 50 cal ammo cans and 12-volt burglar alarm batteries.  They are very nice compact units that will provide 14 amp hours of power.  I have built a couple of them and they work well.  I have used them to power 12-volt lights, but they have many other potential uses.  ---CONTINUED---

Homemade Battery Packs Are Inexpensive and Easy to Make
https://preparednessadvice.com/electronics/homemade-battery-packs-are-inexpensive-and-easy-to-make/

A friend of mine made some battery boxes using 50 cal ammo cans and 12-volt burglar alarm batteries. They are very nice compact units that will provide 14 amp hours of power. I have built a couple of them and they work well. I have used them to power 12-volt lights, but they have many other potential uses.

What they consist off is ---CONTINUED---[