40w Portable Solar Charger with standard solar controller bypass and USB port


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The 40 Watt Economy model is suited for 1 battery system where neergy demand is light or where solar power is needed only while in storage for battery maintenance. Our new solar controller bypass option allows you to use several unites together when more power is needed or when additional batteries are used.

  • -PWM Solar Controller w/ USB Port
  • -Produces 15-20 amp/hours/day
  • -2.3 amps operating current (approx)
  • -17.2V Max operating voltage
  • -13.8V float mode
  • -14.4V finish charge voltage (temp compensated)
  • -Lead ACid, Gel, and AGM compatible
  • -Indicator lights confirm proper operation
  • -16′ cord standard
  • -Safety fuse
  • -Panel size 27x22x1.5, 13lbs
  • -Padded storage bag
  • -Choice of 4 battery connection methods
  • -New heavy-duty tilt legs
  • -Up to 16+ amp hours per day

Battery Connection Types

  1. Battery Clamp Connector
  2. Hard Wire Connector
  3. Cigarette Lighter Connector
  4. RV Solar Ready Connector


MPPT Controller Upgrade (with no USB port) – Increases output by 10% – 20%


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 – exactly when power is scarce and needs the most. The Genasun 5A MPPT solar charge controller adapts to changing light conditions 15 times every second. They are always on target, capturing every bit of available sunshine. Simply put, other controllers can’t keep up.

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.

Get The Ceramic Edge. Electrolytic-Free with 10-Year Warranty
Genasun’s Ceramic controllers set a new benchmark for reliability. Traditional controllers have components filled with liquid electrolytes that boil off over time, causing system failure. Genasun Solid Ceramic controllers have no liquid, so they don’t wear out in the heat. Backed by an industry-leading 10 year warranty, these controllers take reliability to a new level.

Computer controlled, 4-Stage battery charging
Precise computer controlled charging ensures the optimal charge cycle for your battery. This increases the battery life, and maximizes battery capacity.

Additional information

Weight 15 lbs
Dimensions 30 x 4.25 x 24 in
PWM or MPPT Controller

PWM, MPPT Upgrade


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