Cheap And Discounts Votol EM50s Controller EM50 55A DC 48V 60V 72V BLDC Motor Controller with DKD Display for Electric Scooter Convert Kits Wholesale. Buy Directly From Merchant Shop1104867397 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.