Underside of folded up Ruko F11GIM2 drone.(Image credit: James Abbott). Its flight times are impressive considering the battery capacity is only 2500 mAh. Roku claims flight times of up to 28 minutes, and during testing in winter temperatures, it lasted around 20 minutes.
Ruko F11PRO 2 Drone plegable with 6K Camera for Adults, 4K/30fps Video, 3-Axis Gimbal Stabilization, 70-Min Flight Time with 2 Batteries, 10000ft FPV Transmission Professional Drone, Auto Return, Beginner Mode #drone #cameradrone #contentcreator #fpv #fpvdrones.

As we can see from the illustration, Ruko Drone Battery Management Techniques has many fascinating aspects to explore.
Charging the Battery Ruko U11 PRO Drone 4k Camera - Fig 13 1. The remote controller cant work while charging, please fully charged before use. 2. Refer to Disclaimer & Safety Guidelines to get more information about precautions for charging and daily maintenance of the battery.

Battery life is better than expected with this Ruko drone. You get three swappable batteries in the box, good for up to 96 minutes of combined airtime. Each charges quickly over USB-C with PD 3.0 support, and Ruko thoughtfully includes multiple cables and charging options.
If your Ruko drones battery is not charging, try the following: Check the charging cable for any damage or debris. Ensure the charger is properly connected to the battery. Try charging the battery using a different charger or power source. Battery Not Holding Charge.