The Quest External Battery Connector (EBC) is an excellent resource for larger group launches. The EBC allows you to easily use a more powerful battery (eg 12v SLA battery or 6v Alkaline lantern style' battery) with your Quest launch controller Simply attach the Quest EBC onto the 9V connector of your Quest lgnition Controller and connect the other end to your external battery and you're ready for a full day of launching model rockets!
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