Sophisticated, compact, light weight and incredibly advanced, the Pulse Defender is your ultimate line of defense from in flight power loss, which can lead to the complete destruction of your aircraft. With the Defender, Pulse offers the ultimate level of protection you simply should never fly without. Designed to defend your aircraft from destructive in flight power loss, the Pulse Defender is a battery back up system that... HeliDirect Pulse Defender Battery Backup System Continue reading...