72V 'R-Spec' Battery for Sur-Ron

Meet our highest performing 72 volt 'R-Spec' battery for the Sur-Ron & Segway X160/X260. This pack has been designed specifically for heavily modified bikes with aftermarket controllers and/or motors that can support extremely high discharge power levels. All while retaining the safety of charging AND discharging through the high quality BMS. Specifications: Capacity 42 Ah, 51 Ah (Select below) Cell Type: P42A Molicel 21700 BMS: ANT BMS with Bluetooth Power Rating (through BMS): 42 Ah : 450 Amps / Up to 32.4 kW 51 Ah : 540 Amps / Up to 38.8 kW Connectors: Dual Discharge: Dual QS8 or Supra + QS8 Combo (select below) Stock Controller Compatible: NO. This battery requires aftermarket controller.   Include a Charger that's usually $200 for just $100 ! See options below! Notes: Our pack may be slightly taller due to our use of cell holders to ensure the most durable and safe construction for extreme endurance riding. This battery is NOT compatible with the stock Sur-Ron controller. 41 Ah battery is only 1" taller than the stock battery, so you might need to make some minor adjustments to the lid. 51 Ah battery may require you to remove your battery cover lid or modify your battery lid to fit extended length. Lead Time: 9 - 21 business days