Ra Buck-Boost MPPT 3.5 Amp
World's Smallest and lightest MPPT Charge Controller
More power & performance with smaller size in a 3D Printed ASA Automotive Grade Plastic Box. Great for Portable / Remote Power
Different Color Options Available
3.5 Amp Maximum Output ( 50.4 Watts @ 14.4 Volts )
For 5 to 60 Watt STC rated Solar Panels
Greater than 96% Power Conversion Efficiency
Maximum Power Point Tracking - MPPT
Buck Boost DC to DC Power Conversion
10-35 volts extended input range
12 volt SLA, AGM, Deep Cycle, or Lithium Iron Phosphate
Low RF Noise - Radio Friendly Spread Spectrum Modulation
LCD Display for system information
Small 3D Printed Enclosure (approximately 3.5" x 2.6" x 1.1")
Weight 2.8 ounces (80 grams)
Ra Version 2 is a Digital, Advanced, 3.5 Amp Charge Controller that is now > 96% Efficient and includes an LCD Display. Gets every last watt possible under all conditions with Maximum Power Tracking or MPPT, using 2 Digital Control Loops. Also acts as a panel optimizer.
Why Ra? The ancient Egyptians knew the power and the importance of the sun. They utilized the sun's power in their everyday life and it was such an integral part of their lives that they worshiped the Sun God Ra.
It's Fully Automatic - nothing to adjust, works with 20-50 Cell Solar Panels and an MPPT range of 10-35 Volts . Connects with Screw Terminals using #18 to #12 Wire.
2 Year Limited Warranty / 40+ Year Design Life
For 12 Volt Lithium Iron Phosphate or Lead-Acid Batteries.
Contact us for Volume Discounts 10+ units or more information.