Sell ʚ 99 Big ɞ Insulation Bag 50 Degree USB Black Overheat Protection Drone Accessories best price

Features: -Moderate size, start slightly. Annular heating element, heating speed is fast, heating evenly. -Universally applicable to all battery models, strangled by rope, simple and generous. The data line is safe. -USB interface, use mobile power for heating anytime and anywhere. Flannel material, double warmth. Description: The ring heating element of the insulation bag has fast heating speed and uniform heating. Specifications: Size: 11×19cm Material: PA Insulation range: 30°C-50°C Application: for UAV battery Package Included: 1 * Insulation bags(no including drones and mobile phones) Notes: -Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. -Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.