OrangeYu 2450mAh Battery for DJI Spark Controller, Mavic Pro Controller, Remote Controller for Spark, Mavic Air, Mavic Pro - AliExpress
OTVIAP RC Line Cable Micro USB to Drone Remote Controller for DJI MAVIC PRO/AIR/SPARK, Remote Control Connect Cable, Remote Control Data Cord - Walmart.com
DJI Spark Remote Controller Tips and Tricks - YouTube