This is a recording dual-deploy altimeter for high power model rocketry with integrated GPS and telemetry link.
This is a battery clip with 12 inch (30.48cm) wire leads. If you want to attach a 9V alkaline battery to an EasyMini or other flight computer, this will do the trick.
You can buy 9V battery clips elsewhere, what makes these "interesting" is the long leads. You can trim them to fit in nearly any avionics bay design!
These batteries are approximately 0.2x1.0x1.4" (5.5x25x35mm), and weigh about 9.5g (0.33oz).
These batteries are approximately 0.25x1.2x2.0" (6x30x48mm), and weigh about 19g (0.67oz).
This kit consists of 5 pieces each of
These batteries are approximately 4x15x30mm, and weigh 3.6g.
