PowerBank - 50Wh Battery Pack for Satellites

PowerBank-50 is a flight-proven CubeSat battery pack (0.26U, 390 g) delivering 50 Wh of energy from four lithium ion 18650 cells. Designed with PC104 compatibility for seamless multi-pack stacking, it offers off-the-shelf 4S1P (14.4 V) and 2S2P (7.2 V) configurations. Its advanced BMS features real-time telemetry, smart charging, dynamic state-of-charge tracking, and autonomous heaters for extreme orbital eclipse phases. Sub-1 mW ultra-low power inhibit controls preserve battery health during pre-launch storage while enabling in-deployer charging. Fully configurable over RS-485 via an intuitive desktop Python GUI for multi-pack setup management. PowerBank-50 is ITAR-free, UN38.3 certified for easy international shipping, and backed by proven space flight heritage. Find the product datasheet here.