10.5A MPPT 12V (14.2V) for Lithium Genasun Solar Charge Controller

up to 140W. Made in the USA. 5 year warranty

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Genasun GV-10 20-140W 10A Solar Charge Controller with MPPT for Lithium Batteries

A Perfect Match for your 140W Panel

The GV-10 was designed to maximize the usable energy from a 140W panel. With Continuous Maximum Power Point Tracking, and night consumption of only 0.9mA, the GV-10 delivers results. In fact, the GV-10 is so effective at increasing panel output, it lowers your system cost ($/W) compared to a PWM controller and larger panel.

Mission-Critical Reliability

Genasun controllers are deployed to the most remote locations on earth. They endure years at sea, harsh Antarctic winters, freezing conditions in the upper atmosphere on solar powered airplanes, and in a few off-the-map locations. Made in the USA, each controller is put through complete electrical testing to ensure reliability.

If you need mission-critical power, this is your controller.

High-Speed MPPT: Always on Target

Not all Maximum Power Point Tracking controllers were created equally. Most use a sweep and sleep method that scans the entire voltage range every 30-60 seconds. That's okay for a clear day, but traditional controllers are constantly off target during changing cloud conditions Ÿ?? exactly when power is scarce and needs the most. Genasun controllers adapt to changing light conditions 20 times every second.

They are always on target, capturing every bit of available sunshine. Simply put, other controllers can't keep up. Advanced Lithium Charging Algorithms Our Lithium charging algorithms draw from nine years of experience building Lithium battery packs for harsh environments.

We've worked with every chemistry, and have tailored charge profiles to help you get more capacity and cycle life from your battery pack. Custom Voltages Available Genasun stocks the GV-10 in a variety of charge profiles for the most common Lithium chemistries and cell configurations.

Custom voltages can be programmed at the factory to match the Float Voltage (CV voltage) of your battery. Please select the Custom Voltage option from the drop down, and email support@genasun.com to specify the voltage.

Made in the USA


  • 98.3% Peak Efficiency
  • High-Speed MPPT
  • Advanced electronic protections
  • Tiny night consumption (0.9mA)
  • Marine-Grade
  • 5-Year Warranty

Surviving the Storm with Low Power Burn
Every controller uses power, but while a typical MPPT controller burns 27mA, the Genasun GV-10 burns a scant 0.9mA. This difference in consumption effectively allows the GV-10 to put an extra half an amp-hour into your battery every day, resulting in a critical benefit while waiting out a snow-covered panel or a few bad weeks of clouds.

Radio Silence.
Most MPPT solar charge controllers broadcast Radio Frequency noise from the DC/DC conversion circuit. Unfiltered inputs and outputs waste energy and interfere with nearby or attached electronics. Genasun worked to eliminated RF emissions from our line of charge controllers.

No Fans. No Relays.
Fans get clogged with dust and dirt. Relays eventually stop switching. Genasun controllers use advanced electrical design that obsoletes these parts. With fewer moving parts to wear out, Genasun controllers outlast the competition.

Fault Tolerance.
Reverse polarity protection on battery and panel
Internal user-replaceable fuse

  GV-10-Pb-12V GV-10-Li-**.*V
Maximum Recommended Panel Power:

For higher power controllers, please visit the Blue Sky Energy Product Page.
140W GV-10-Li-12.5V 120W
GV-10-Li-14.2V 140W
GV-10-Li-16.7V 160W
Rated Battery (Output) Current: 10.5A 10.5A
Nominal Battery Voltage: 12V N/A
Absolute Max Panel Voltage (Voc): 34V 34V
Recommended Max Voc at STC: 27V 27V
Minimum Battery Voltage for Operation: 8.5V 8.5V
Charge Profile: Multi-Stage with Temperature Compensation CC-CV
Charging Voltages: FLOODED Setting SEALED Setting
Equalization Voltage: 15.0V
Equalization Time: 2 Hours
Equalization Interval: 30 Days
Bulk Voltage: 14.6V 14.3V
Absorption Voltage: 14.4V 14.1V
Absorption Time: 2.5 Hours
Float Voltage (GV-10-Pb-12V):
CV Voltage (GV-10-Li-**.*V):
13.5V 13.7V GV-10-Li-12.5V 12.5V
GV-10-Li-14.2V 14.2V
GV-10-Li-16.7V 16.7V
Battery Temperature Compensation: -28mV/°C
Operating Temperature: -40 °C — 85 °C -40 °C — 85 °C
Electrical Efficiency: 96% - 98% typical 96% - 98% typical
Tracking Efficiency: 99+% typical 99+% typical
MPPT Tracking Speed: 15Hz 15Hz
Night Consumption: 0.9mA (900uA) 0.9mA (900uA)
Marine Grade: Yes Yes
Connection: 4-position terminal block for 10-30AWG wire 4-position terminal block for 10-30AWG wire
Weight: 6.5oz., 185g 6.5oz., 185g
Dimensions: 5.5x2.5x1.2", 14x6.5x3.1cm 5.5x2.5x1.2", 14x6.5x3.1cm
Warranty: 5 years 5 years

The GV-10 solar charge controllers carry a 5-year warranty on materials and workmanship. GenasunŸ??s warranty does not cover damage due to abuse or operation beyond the rated specifications.

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