MPPT Solar Charge Controller Gen 6
MPPT Solar Charge Controller Gen 6
MPPT Gen6 comparison with Brand A
Connection diagram 24V
Connection diagram 48V

CC-MPPT-Gen6 Solar Charge Controller

Take Solar Efficiency to the Next Level

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Description

Experience unparalleled solar power optimization with the MPPT Gen6 Solar Charge Controller, the latest innovation from Systellar. Engineered with advanced Maximum Power Point Tracking (MPPT) technology, this controller ensures maximum energy harvest and superior battery performance. It’s the ultimate solution for modern solar setups, supporting 12V, 24V, 36V, and 48V battery banks in 50A and 75A models.

How does an MPPT Solar charge controller work?

An MPPT (Maximum Power Point Tracking) solar charge controller is an advanced electronic device that optimizes the power output from your solar panels to your battery bank, ensuring maximum charging efficiency and better energy harvest. Compared to traditional PWM (Pulse Width Modulation) charge controllers, a high-quality MPPT controller can boost charging efficiency by up to 30%, especially in conditions with variable sunlight, shading, or when panels operate at temperatures far from standard test conditions. This makes MPPT technology the preferred choice for modern off-grid, hybrid, and grid-tied solar power systems where maximizing every watt counts.

The MPPT Working Principle

Solar panels naturally produce different voltages and currents throughout the day depending on sunlight intensity, panel temperature, and shading. Each solar module has a unique Maximum Power Point (MPP) — the sweet spot on its power curve where it delivers the highest possible wattage. An MPPT charge controller constantly tracks this point in real time, using sophisticated algorithms and high-speed electronics to adjust its input parameters.

Once the MPP is identified, the MPPT controller dynamically converts the higher voltage from the solar array into the optimal current needed by the battery bank. This process is similar to how an efficient DC-DC converter works. For example, a 100V solar array can safely and efficiently charge a 48V battery bank by stepping down the voltage while proportionally increasing the current, ensuring minimal energy loss during conversion.

In addition, MPPT controllers can handle higher input voltages, allowing installers to connect panels in longer series strings. This reduces cable losses and installation costs. Combined with intelligent temperature compensation and multi-stage charging, MPPT charge controllers deliver reliable, safe, and faster battery charging — even during challenging weather conditions.

By constantly finding the true maximum power point, an MPPT charge controller ensures that your solar power system performs at its peak all year round.

Product Models:

What Makes CC-MPPT-Gen6 Stand Out?

  • Unmatched Efficiency: Latest Synchronous Buck converter MPPT technology gives high efficiency of up to 98.8%, delivering up to 25% more charging compared to PWM models.
  • Large Display: Features a 128 x 64 pixel LCD to display real-time parameters and settings on a single screen
  • All-Day Charging: Works early in the morning and continues late into the evening, maximizing solar power usage.
  • Customizable Settings: Easily adjust parameters like battery type, charging voltages, and load settings to suit your needs.
  • PowerSaver Relay: Prioritizes solar charging for batteries and provides optional battery charging through inverter during nighttime, Hence, reducing electricity costs.
  • Versatile Battery Compatibility: Supports Lead Acid (SMF, FLA, Tubular, Gel), Lithium Ferro Phosphate (LiFePO4), Lithium-ion, and Nickel Cadmium (Ni-Cd).

Key Features

  • Advanced Technology: MPPT Gen6 Solar Charge Controller is equipped with a 32-bit STM32 microprocessor for precise control and reliable performance.
  • 5-Stage Battery Charging: Includes Deep Discharge, Boost, Absorption, Trickle, and Equalize modes to extend battery life.
  • Efficient Design: Uses synchronous buck-converter technology, achieving conversion efficiency of 97.3% to 98.8% depending on the battery voltage.
  • User-Friendly Display: Features a 128×64 pixel LCD to display real-time parameters and settings on a single screen.
  • Safety First: Integrated 100A MCB for battery protection. Reliable safeguards against overcharge, deep discharge, reverse polarity, and short circuits.
  • No-Fan Cooling: Natural convection cooling ensures quiet operation and long product life.

Why Choose the CC-MPPT-Gen6?

  • Efficient Charging: Prioritize battery charging from solar energy with the PowerSaver relay.
  • Flexible Options: Choose between the 100 Series (12/24V battery banks, up to 85V DC solar input) or the 200 Series (24/36/48V battery banks, up to 175V DC solar input).
  • Future-Ready: Optional RS485 communication port for remote monitoring and control.
  • Environmentally Friendly: Optimizes solar energy use to reduce reliance on grid power.

Where to Use the CC-MPPT-Gen6?

  • Solar Inverter Systems: Ideal for powering homes, offices, and industries with solar energy.
  • Battery Management: Ensures optimal charging for inverter and deep-cycle batteries.
  • Rural & Urban Solar Solutions: Perfect for diverse environments and energy needs.

Why Systellar?

As a leader in solar technology, Systellar delivers:

  • Innovative Designs: Advanced products tailored for Indian conditions.
  • Reliability: Built with high-quality components for long-term performance.
  • Affordable Excellence: Premium features at competitive prices.

Power Your Solar Journey Today!

Upgrade your solar systems with the cutting-edge MPPT Gen6 Solar Charge Controller Solar Charge Controller. Contact us now to learn more or place your order.
Call: +91-9568004455
Email: info@systellar.in

Technical Specifications

S No Item Description
1 Battery  voltage range 100 model: 12/24V (nominal) Field programmable
200 model: 24/36/48V (nominal) Field programmable
(For Lead-acid batteries, number of 12V batteries can be specified. For other chemistries number of cells in the battery bank may be specified)
The maximum end-of-charge voltage for the battery bank can be up to 60V.
2 Maximum V_oc (open circuit solar panel voltage) 85V for 100 model
175V for 200 model
3 Cell chemistries supported • Lead-Acid (SMF / FLA / Tubular / Gel)
• Li-ion
• LiFePO4
• Ni-Cd
4 Maximum allowed solar panel capacity Maximum allowed solar panel capacity Max. Solar panel capacity
12V-75Amp 1080Wp
24V-50Amp 1620 Wp
24V-75Amp 2160 Wp
36V-50Amp 2160 Wp
36V-75Amp 3240 Wp
48V-50Amp 3240 Wp
48V-75Amp 4860 Wp
5 Load output DC output is equal to the battery voltage. Maximum current: 20A
6 Display 128×64 pixel backlit graphic display which can display 8 rows of about 22 characters each for display of running parameters during operation and for programming various programmable parameters
7 Keyboard 5 Keys (INCR, DECR, NEXT, ESC & SEL) keyboard is provided on the front panel to view / program various parameters
8 LED indicators Green – for indicating the following conditions:

  • Low charging (< 5A):
    • Single 100ms Blink after every 2sec
  • High charging (> 5A):
    • Double 100ms Blink after every 2sec
  • Battery fully charged
    • Solid ON

Red – The following faults are displayed:

  • Battery discharged (Load is disconnected):
    • Single 100ms Blink after every 2sec
  • Overload (Load is disconnected):
    • Two 100ms Blink after every 2sec
  • Battery voltage too high (It can happen only if an external charger is connected on the battery bank, Charging through CC-MPPT-Gen6 stops and the load is disconnected):
    • Three 100ms Blink after every 2sec
  • PV input too high (Charging is stopped):
    • Four 100ms blink after every 2sec
9 User-programmable charging parameters Using the above LCD display & keyboard, the following charging and other operational parameters can be programmed by the user.

  • Battery end of charge voltage:
    End of Bulk charge stage, start of absorption charge stage.
  • Battery absorption charge stage period
  • Battery trickle charge voltage:
    The voltage at which the battery voltage should be maintained after the end of the absorption charge stage
  • Battery re-bulks voltage:
    If the battery voltage goes below this voltage, the charge controller will again go to the Bulk charging stage.
  • Battery Low cut enters voltage:
    If the battery voltage goes below this voltage, the charge controller will display battery discharged fault.

    • The minimum Low cut enter voltage for the battery bank must be equal to or greater than 10.0V for the following Cell types:
      * Lead Acid (SMF / FLA / Tubular / Gel)
      * LiFePO4
    • The minimum Low cut enter voltage for the battery bank must be equal to or greater than 9.0V for the following Cell types:
      * Li-ion
      * Ni-Cd
  • (Battery Low cut exit voltage is equal to the nominal battery bank voltage.)
  • Battery Equalize charge voltage:
    If the battery voltage goes above this voltage, the charge controller will go to the equalized charging Stage. Only for LA battery
  • Equalizing charge interval (Only for LA battery)
  • Temp Coefficient for selected Battery type:
    Battery bank EOC voltage, trickle charge voltage and the equalization charge voltage is adjusted as per the Temp Coefficient and the sensed battery temperature.
  • Power saver turn-on threshold:
    Power saver will turn on if the battery voltage is above this value. (When the power saver is ON, the mains supply to the inverter is cut-off and only the charge controller charges the battery).
  • Maximum charging current:
    1. Users can modify the maximum charge current (Mainly to protect small capacity batteries).
    2. For the 50Amp Model, It can be set in between 5 to 50 Amps.
    3. For the 75Amp Model, it can be set in between 5 to 75 Amps.
  • Load Ctrl code:
    a. Users can turn on/off load as per their requirements
    Load Control Code      Function
    0                                  Load always on
    1                                  Load on dusk to dawn
    2 – 14                          Load on for so many hours after dusk
10 5-stage charging for maximum battery care:
  1. Deep discharge mode charging (For Li-ion battery only)
  2. Bulk mode charging,
  3. Absorption mode charging,
  4. Trickle mode charging,
  5. Equalizing Charging (For lead-acid batteries only)
    Programmable Equalizing charging mode interval to periodically equalize charge all batteries in the battery bank
11 Temperature compensation of charging thresholds With optional battery temperature sensor (For lead-acid batteries only)
12 Heat sink temperature sense Built-in heat sink temperature sensor stops charging in case of overheating of the heat sink
13 Power saver relay Built-in power saver relay. Common and N/C contacts are available for the connection of the input AC mains to the inverter. Relay capacity 250V AC 20A
14 Idle current from the battery Max: 60 mA
15 Technology Triple Interleaved Synchronous Buck Converters
16 Microcontroller controller ARM-based 32-bit advanced microcontroller
17 Optional accessories:
1 Battery temperature sensor with 2 M cable
2 RS-485 adapter card for transferring data over MODBUS (RTU protocol). (Requires special MODBUS firmware).

Note: For product enhancement, product parameters can be changed without notice

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