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When connecting your battery, connect the positive (red) first and the negative (black) second. When removing the battery, disconnect the negative (black) first and the positive (red) second. Been doing this for nearly 30 years. ALWAYS connect the positive post first.
The quickest easiest way to connect these LED kits to power is a 9V battery, with. a battery snap / switch. As you can see from this photo, the battery snap we sell is designed to snap onto the leads on the terminal end of any standard 9V battery.The battery snap has two leads, a red positive wire and a black negative wire.Each of the three LEDs in the fire and welding kit also come with a red positive wire and a black negative wire. All you need to do is twist the 3 red wires from the LED kit together with the red wire from the battery strap.he battery snap has two leads, a red positive wire and a black negative wire. Each of the three LEDs in the fire and welding kit also come with a red positive wire and a black negative wire.