- The EBP72XL Battery Pack is a 72VDC, 8.5AH battery pack with internal charger that extends runtime on the E2000RM2U through E3000RM(T)2U units.- The EDBP72XL Battery Pack is a 72VDC, 8.5AH battery pack with internal charger that extends runtime on the ED3000RM(T)2U unit.