25W AC Slim Ballast. This ballast is designed for motorcycles that the passing beam and driving beam is separated. Slim design and 1.2M cable makes it easy to fix under the batter pack or the seat.
Input:DC,9-18V  
Output: 85V,Ac,25W 
Open circuit voltage: 480V 
Max start voltage: 25KV 
Dimension:145x6.5x1.5cm