This Intelligent Flight Battery, from DJI supports your Spark quadcopter. This
is a LiPo Battery, with a Cap,acity of 1480mAh, which translates to around 16
minutes of flight time, depending on power level, flight speed, and weather
conditions. The Battery, is lightweight, so it's easy to carry with you when not
attached to your drone, and it installs quickly and easily for when you're
ready to fly.