The bigger the current of the BMS, the more power the ebike will get ; If the power(kWh) of the battery is greater than or equal to the power of your ebike, your ebike will have enough power to climb hills.
36V 48V Lithium ion battery For E-Bike Electric Mountain Bicycles Chargeable BMS
The bigger the current of the BMS, the more power the ebike will get ; If the power(kWh) of the battery is greater than or equal to the power of your ebike, your ebike will have enough power to climb hills.