The 711-00338 from Pumpkin Space Systems is a Satellite Electrical Power System that is designed to power a CubeSat stack of modules during development. This CubeSat EPS has a battery energy of 11-22 Wh and provides attached modules with +7.4 Vdc (nominal), +5 Vdc, and +3.3 Vdc rails. It has a long run time via two or four rechargeable 3.7 V, 1500 mAh iPod Li-Poly batteries. The power system supports the I2C interface for providing EPS telemetry and recharges using the CubeSat Kit's USB connector. It features an LED bar graph that indicates charging progress and battery status and an on-board reset supervisor for maximum reliability. The power system comes with a CubeSat Kit remove-before-flight switch, a CubeSat Kit separation switch, and a wiring-free module interconnect scheme. It has a mass of 115-210 g and measures 96 x 90 x 1.6 mm. The power system is ideal for applications of CubeSat Kit demonstrations, terrestrial testing, and balloon missions.
