Powerwerx MPPT-150-14.6, DC-to-DC Solar Charger Controller for Bioenno 12V LiFePO4 Batteries Rated at 150 watts, the MPPT-150-14.6 solar controller is designed for charging Bioenno 12V type LifePO4 batteries. Input DC 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. 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 output comes pre-wired with the popular Anderson Powerpole 30A connector. Specifications: Controller Technology: MPPT (Maximum Power Point Tracking) Technology Input Voltage: 16-25 VDC Output Voltage: 14.6 VDC Input Connector Type: MC4 Output Connector Type: Anderson Powerpole 30A Maximum Power: 150 Watts Maximum Current: 12 Amps Battery Type: Bioenno LiFePO4 or equivalent System Type: 12 VDC (DC to DC converter) Controls: Automatic (no user adjustments required) Conversion Efficiency: 95% IP Rating: IP67 Short Circuit Protection: Yes Over Temperature Protection: Yes Case: Die cast aluminum design allows for efficient heat dissipation Dimensions: (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) Warranty: 1 Year NOTE: This solar 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.