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Hobbytiger battery dock is best used for an overnight charge. You don't need to watch the entire charging process.
It will save your time since you don't have to swap all the batteries out after you plug them in, just let them charged.
Light weight makes it easy to carry with when traveling with your Phantom 2 or Phantom 3.
The whole charging process is super intelligent and secure. The Intelligent Flight Battery with the lowest power level will be charged first, charging each battery as they reach the same charge levels till all three are fully charged at the same time.
Package Include: 1 x black battery dock + 1 x English User Manual (NO power supply)