Set the charger on 1000mAh

Clip it to a 12v battery (I use my car battery)

Plug in the battery. BE SURE THE BATTERY IS IN A SAFE PLACE - Do a YouTube search for "Exploading LiPo" and you'll see why.

The light should come on. When the pack is fully charged (About an hour, maybe two) it should start beeping.

If the charger starts beeping right away, the pack may be too low to start with. If that happens let me know and we'll try something else.