Every ballast has Five protection: open circuit, short circuit, low voltage,
over voltage and reverse polarity protection
Electrical Input Parameter: 
Steady State Input Voltage:9-16V, 
Max in rush Current:15A@50ms,8A at 2secs,Decreasing to steady state within 30 secs,
Max steady state input power:45W(9-16V),                                  
Input turn on:9V and above, Input turn off: below 8V,  
Reverse Voltage Protection: No Damage to ballast with -40V Conducted EMI 
susceptibility:S95/54/EC, Conducted EMI Emission:S95/54/EC  
Efficiency: Over 90% during steady status
 
Flash impact test. Warm start-up test, 
Shockproof/waterproof/dustproof test, 
EMC anti-jamming test, High/low temperature condition,  
Operating test(﹣40℃ ﹢105℃)  
defect rate: 0.05% to 3%
Warranty: 14 months.