High-performance lithium battery; Integrated GPS receiver; 500 Wh; 29,6 V; 31 Ah; USB adapter for operating other electrical equipment (not included in the scope of delivery); Compatible with all Travel 503/603 - (1003/1103); COMPATIBILITY NOTE: This spare battery is used in conjunction with the Travel 603 motor. If used with a Travel 1003/1103, this battery will cause the motor to run at a reduced power of 2HP.