DJI Store has Phantom 3 and 4 batteries on sale for 30% off through Jan 7 (Phantom 3 for $104) and (Phantom 4 for $111)
Available on Amazon Prime for DJI price.
Best Buy also has them on sale for: (Phantom 3 $104.99) and (Phantom 4 for $118.99) and will price match DJI.
Sent from my iPhone...