1) F7 70W 12V HID Ballast 2) 1s Start ballast 3) Repair rate: Lower than 2%  New 70W Xenon ballast  Description:

Topbands unique advantages:

1) 70W Quick start ballast

2) Only need 1s start

3) slow start with no inrush current, extend the bulb life two times. 4) starting current of the cold bulb less than 6A.5) starting power of the warm bulb less than 35w. 6) starting power of the cold bulb less than 55w. 7) in the case of vibration,the power change less than 3w (others are 17w)8)  rated power is very stable 9) after the bulb aging, the bulb still lights up even if the bulb voltage drops to 150v, others wont light up when the bulb voltage drop to 123v.10)  output frequency is 370HZ, reducing the electromagnetic radicalization

Slim Quick start 70W HID Ballast

Ballast Test:

Factory:

New Style 70W HID Xenon Ballast