Rated at 150 watts, the MPPT-150-14.6 solar controller is designed for charging Bioenno 12V type LifePO4 batteries Input DC voltage range from 16-25 VDC. Output is a constant 14.6 VDC. Rated at 12 Amps maximum. Smart charge controller design will automatically adjust charging output as required by batteries, no user adjustment needed Controller Technology: MPPT (Maximum Power Point Tracking) Technology. Input Connector Type: MC4. Output Connector Type: Anderson Powerpole 30A NOTE: This solar charge controller is intended for used with Bioenno (LiFePO4) or equivalent batteries. This controller should not be used with Flooded, AGM or GEL type batteries as it will overcharge them Powerwerx MPPT-150-14.6 is a MPPT (maximum power point tracking) controller is a DC to DC solar converter. This unit is rated at 150 watts and converts higher solar panel voltages down to 14.6 VDC which is more suitable for charging LifePO4 type batteries. The solar input is pre-wired with MC4 style connectors. The solar controller output comes pre-wired with the popular Anderson Powerpole 30A connector.Specifications:Controller Technology: MPPT (Maximum Power Point Tracking) TechnologyInput Voltage: 16-25 VDCOutput Voltage: 14.6 VDCInput Connector Type: MC4Output Connector Type: Anderson Powerpole 30AMaximum Power: 150 WattsMaximum Current: 12 AmpsBattery Type: Bioenno LiFePO4 or equivalentSystem Type: 12 VDC (DC to DC converter)Controls: Automatic (no user adjustments required)Conversion Efficiency: 95%IP Rating: IP67Short Circuit Protection: YesOver Temperature Protection: YesDimensions: (L x W x H) 2.3 in. x 1.6 in. x 0.9 in. (58 mm x 40 mm x 22 mm)Weight: 0.25 lbs. (115 g)NOTE: This solar charge controller is intended for used with Bioenno LiFePO4 or equivalent batteries. This controller should not be used with Flooded, AGM or GEL type batteries as it will overcharge them