WATTNINE® 48V 15Ah Lithium Ion (NMC) Battery Pack with Warranty Light Sensor The adapter has a standard

The adapter has a standard DC jack for output and comes with warranty of 6 months

string method and accelerometer to do that but it is one of the most important aspect of any RC plane or quadcopter flight to stop the orientation from going beyond a certain point from horizontal plane

Digital Voltmeter

It's powered by 12V DC

Lifepo4 4S 12V 100A BMS Features:

WATTNINE® 48V 15Ah Lithium Ion (NMC) Battery Pack with Warranty Light Sensor The adapter has a standardThe 48V 15AH rechargeable lithium ion battery pack from WATTNINE is designed to provide reliable power supply with safety features. Features: High energy density Equipped with Smart Battery Management System Long Cycle life Excellent Safety & Performance Specifications: Nominal Characteristics Nominal Voltage: 48V Nominal capacity Ah (25C , 0. 5C): 15Ah Operating Voltage Range: 39v 54. 6V Pack characteristics: Design: 12S3P Cell Type Chemistry: 26650