How to build a battery pack for a radio control device

Learn how to make a custom battery pack for a radio control device with this DIY video tutorial. To get started building your own battery pack, you'll need the following items:

A 40W soldering iron with a hammerhead tip;
good quality rosin-core solder;
flux paste;
a rotary tool with drum sanding attachment;
an X-Acto knife;
wire cutters;
suitable wire;
braid or battery bar;
PFM or Goop; &
shrink wrap.

For detailed, step-by-step instructions on the assembly process, watch this electronics how-to.