The MidNite Classic 250 is our favourite MPPT charge controller! It’s Made in the USA, and in our opinion the best MPPT charge controller available! And it's not hard to see why… FEATURES: Charges Lithium, Flooded Lead Acid, AGM and virtually any other chemistry. 250 operating voltage Max current out: 63 amps ETL listed to UL1741 and CSA Type 1 environmental rating Terminals are rated for 75 C Exclusive HyperVOC extends VOC limits 12-72V battery Built in DC-GFP and Arc Fault Detector Solar, wind and hydro MPPT modes To ensure proper start up and MPPT operation, the minimum initial PV input voltage should be at least 30% higher than the highest expected battery voltage. MidNite Solar offers an industry first, an extended warranty for all the Classic MPPT charge controllers. Six months prior to the end of the warranty period customers can ship their Classic back to MidNite Solar with a check for $147 dollars plus shipping and we will replace any wearable parts and do a general tune-up. This will extend the warranty by 2 additional years, another good reason to purchase a Classic. Warranty - 5 yrs. Listed by ETL for US & Canada CE Certified Listed FCC Class B Listed Made in the USA 250V Classic MPPT Charge Controller