4 in 1 charger,specially designed for DJI Mavic Pro RC Quadcopter with charge indicator</br>Can charge 4 batteries SEQUENTIALLY, ~60-80 minute charge time per battery</br>Displays the charge voltage, current and overall battery status</br>Power supply is NOT included - you can use the original DJI charger</br>Works with the Mavic car charger and also Mavic wall outlet charger. The pictured batteries are NOT included.</br><br/>http://www.amazon.com/gp/product/B06VV8PHJX