When a battery pack has to contain electronics for balancing cells, it’s very easy for a manufacturer to include extra functions such as locking down the battery. Repair a battery, replace cells ...

Moving backwards, you have the fan (for cooling), the drone's processor (located under the Parrot logo), and the 2,700mAh battery is on the rear. The drone's power button, four LED lights ...

BEIJING -- A drone powered by an ultra-low-temperature high-energy-density lithium battery, developed by Chinese researchers, has successfully completed a flight test in China's northernmost city ...