Check the listing for details. Solar Charge Controller 70A MPPT 12V/24V Battery Regulator Dual USB LCD Display. Condition: New. Listed at 59.00 USD. Solar Charge Controller 70A MPPT 12V/24V Battery Regulator Dual USB LCD Display (70A) BRAND NEW! RETAIL BOXED - NEVER USED Humanized Design---- Automatic identification system voltage, 12/24V auto recognition. LCD displaying and double button operation of man-machine interface.Max solar amp: 50A PV input3-stage charging mode---- High efficiency intelligent MPPT 3-stage charging mode,the load control mode can be selected, the timer function can be reset for street light at night. Discharge capacity control, discharge counter of ampere hour.Working storage function---- Record the total run time of system, record timers of error during running time, record times of full charged battery.Roundly reverse connected ---- Solar panels, battery, solar charge controller positive poles are all connected together, adopting negative MOSFET in series control circuit.Safety---- Reliable over voltage , short circuit , over load , overcharge , over-discharge .Accurate temperature compensation, correcting the charging and discharging voltage automatically, improving the battery lifetime. Buy with confidence - 24 year eBayer! FREE SHIPPING on every item to USA! INCLUDES TRACKING! Global shipping program approved!