The TB50 Intelligent Flight Battery (SKU: CP.BX.000179) produces a maximum flight time (with X4S) of approximately 27 minutes by using a higher performance and a higher density battery cell with an overall larger capacity as well as an updated management unit. Its performance in low temperature environments has been optimized with a built-in 70W self-heating system capable of heating itself to 41°F (5°C) every minute. This self-heating function can be enabled either automatically or manually.