solar PV system : 1,TUV ,CE, RoHS ,ISO900. 2,1 years quality warranty. ... .8SafeguardIP20Discharge Resuming Voltage(V)≥12.4Over DischargeShut off≤11.4Equalized Charge (V) ≤14.4Resume≥12.4High voltage protection(V)≥17.5Solar ... rating voltage(V)17Floating charge voltage(V)13.7Restore High Voltage(V)≤15Temperature Compensation-20mV ...