Amazon offers the Sunforce 50022 5-Watt Solar Battery Trickle Charger for $29.32 shipped. Normally $50+, this is the lowest we’ve seen it go at Amazon. Great for keeping your car or boat battery topped off if you park them for a while, this charger uses the sun’s power instead of a wall outlet. Rated 3.7/5 stars.

Other notable green deals include:

Sunforce 5-Watt Solar Battery Trickle Charger features:

  • Features sturdy and durable aluminum frame with amorphous solar cells ; Includes 12V DC plug, battery clamps and mounting hardware for easy installation
  • Completely weatherproof for added durability
  • Amorphous solar panel works in all daylight conditions; even on cloudy days
  • Built-in overcharge/discharge protection
  • Maintains and trickle charges 12 Volt batteries for your car, boat, RV, electric fence, deer feeder and more

FTC: We use income earning auto affiliate links. More.


Subscribe to Electrek on YouTube for exclusive videos and subscribe to the podcast.

You’re reading Electrek— experts who break news about Tesla, electric vehicles, and green energy, day after day. Be sure to check out our homepage for all the latest news, and follow Electrek on Twitter, Facebook, and LinkedIn to stay in the loop. Don’t know where to start? Check out our YouTube channel for the latest reviews.

About the Author