The MPPT solar charge controller is more and more popular in the solar systems.It could track the maximum voltage of solar panel array, and charging way to battery is constant power.PWM solar charge controller is traditional ones, charging way to battery is constant current.So MPPT efficiency is 20% higer than PWM, the price is higer too.We develop one small and cheap MPPT solar charge controller 12v 10A.The model is MT1050-EU with Grey colour, big LCD screen and two orange buttons(named menu and ok).Solar panel power is max 130W and open circuit voltage is 45V.Additionaly two USB ports(total 5V 2A) are used to charge smart devices.Its size is 189*96*53mm and weight is 480g.Packing 20pcs in one carton.Gross weight is 11kg.We could print your logo on the regulator.As for khaki box without any mark,there is one piece manual in each box.
MT1050-EU tracking efficiency is over 99.9% and charge conversion efficiency up to 96.5%.Two keys are designed on the solar regulator to recognize many functions.LCD display is helpful to read parameters.
For example,day or night,charging or discharging.PV voltage,current and ampere hours.Battery type,capacity,voltage current and temperature.Load voltage,current and ampere hours.Load modes are programmable.Working 24 hours or just at night or hours you want.
This portable smart solar charge controller is installed in house or RV.By the way,if it is the DC load,it must connect controller not battery directly in case of full discharging,but if it is AC load,inverter,it could connect battery as it has low voltage disconnect protection function.
How to protect battery and load?You could set low voltage disconnect, when battery voltage is lower than you set, it will disconnect right now to do protection.
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