48V 500W Electric 3-Wheels Bike Brushless Gear Motor Trike for Adults Tricycle

1.What battery is recommended for this kit. If not, please do not buy it.This is 48V 500W Electric Brushless Motor Kit For Tricycle / Rickshaw / Three-Wheeled Bike etc. 48V 500W Electric Brushless Geared Motor Controller Kit For Tricycle Rickshaw All the buyers should have experience to install it