MPPT Solar Charge Controllers
In cases of shading or clouded sky, when light intensity is changing continuously, a fast Maximum Power Point Tracking (MPPT) algorithm will improve energy harvest by 10 to 30% compared to Pulse Width Modulation (PWM) charge controllers.
Victron SmartSolar with built-in Bluetooth and by utilising the free VictronConnect app many parameters can be viewed and set, such as battery voltage, solar history, load output, flexible battery charge algorithms plus day/night timing and light dimming options. These advanced MPPTs also include Advanced Maximum Power Point Detection in case of partial shading conditions.
Victron BlueSolar need for a VE.Direct to USB interface or VE.Direct Bluetooth Smart dongle to use the free VictronConnect software or app.
When choosing a Victron model, for example MPPT 75/15, the first number is the maximum PV open circuit voltage (Voc) and the second number, 15, is the maximum charge current (Amps). Note the specification label on your panel will indicate the Voc.
Genasun’s robust product line, made in the USA, has no moving components so there are no fans to get clogged with dust and dirt, or relays that will eventually stop switching.
The GVB (Boost) series can take a standard 12V solar panel and boost the voltage to charge a 24V, 36V or 48V battery pack.
Votronic MPPT controller have duo charge outputs:
1) Main charging output to Main/House Battery,
2) 2nd charging output trickle charges vehicle start battery. Multi-stage charging profile can be set by user to four different types of battery.
An optional remote LCD display provides precise reading of solar charging current, battery voltage, power and the Amp-hrs and the Watt-hrs (Solar ComputerS).