Message to Our Customers
Discontinued

Mighty Mule

Model # FM121

Internet # 100000001

Store SKU # 533181

5-Watt Solar Panel Kit for Electric Gate Opener

This item has been discontinued.
The Home Depot no longer carries this specific product.

$92.70 / each

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PRODUCT OVERVIEW

Model # FM121

Internet # 100000001

Store SKU # 533181

Store SO SKU # 556771

The Mighty Mule 5-Watt Solar Panel Kit is an excellent option for charging the battery in your Mighty Mule Gate Opener. The Solar Kit provides a clean source of power; it can be used in place of the factory transformer. The Solar Panel Kit also includes a strong steel support and mounting hardware with required 8 ft. low voltage wire, ideal for environments lacking a power source at the site of installation.

  • 30% Residential energy efficient property tax credit, residential home owners can use this credit on a new operator system, accessories and installation
  • Easy DIY (do it yourself) installation to most applications including fencing, posts or walls
  • Increases your savings on your electric bill and can increase your property value
  • Distant applications may require longer low voltage wire; available lengths include 100 ft. (RB509-100), 250 ft. (RB509-250) or 500 ft. (RB509-500)
  • Compatible with all Mighty Mule automatic gate openers
  • Backed by a 12 month Mighty Mule warranty and technical support

Info & Guides

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SPECIFICATIONS

Dimensions
Product Depth (in.) 
Product Height (in.) 
7.5 
Product Width (in.) 
11 
Details
Access Controls and Powering Devices 
Solar Panels 
Brand/Model Compatibility 
Mighty Mule Gate Openers 
Commercial/Residential Use 
Residential 
Fencing Product Type 
Gate Opener Remote/Transmitter 
Power Requirements 
Solar 
Product Weight (lb.) 
4 lb 
Range (ft.) 
11 
Returnable 
90-Day 
Warranty / Certifications
Manufacturer Warranty 
12 Month 

CUSTOMER REVIEWS

Rated 4.2 out of 5 by 10 reviewers.
Rated 4.0 out of 5.0 by 5 watt solar panel mounting instruction were fine and it is performing per design May 19, 2015
Rated 1.0 out of 5.0 by Didn't work Installed product. Gate worked fine until battery drained then nothing. Took forever to realize that the panel was shorted out. Wasted a full day. Purchased a 18watt panel for less money from Lowes. Worked great with the opener. The mighty mule panel is pricey and produces VERY little energy. Maximum wattage the system can accept is 30 watts. Why go with a 5 watt? Cudos to home depot. Brought it into store and was refunded no questions asked. July 9, 2013
Rated 5.0 out of 5.0 by Works great We use these on 3 of our gates and talked family into getting them too. Works great. August 6, 2014
Rated 5.0 out of 5.0 by Works Great! I purchased the 5 Watt panel to charge a deep cell 12 volt marine type battery that operates my Mighty Mule 200 gate opener. Even though it does not get direct sunlight all day because of a few pine trees, it keeps the battery around 12.3 volts with no problem. I installed a small led volt meter inside the battery box (Walmart), and I'm able to check the voltage anytime. You could mount the voltmeter on the gate post but I didn't get that fancy. Great panel for the gate opener! June 7, 2014
Rated 4.0 out of 5.0 by Works as expected This was very easy to install. Turns out that it only works to keep a battery charged... the MM gate won't let it charge a dead battery... May 20, 2014
Rated 5.0 out of 5.0 by GREAT PRODUCT THIS IS AN AWESOME PRODUCT. I DIDN'T HAVE TO LAY WIRE TO HAVE TWO GATE OPENERS. I WISH I COULD AFFORD TO PUT MY WHOLE HOUSE ON SOLAR ENERGY AND KISS THE POWER COMPANY GOOD BY. September 17, 2013
Rated 3.0 out of 5.0 by Good product but has limitations I purchased the MM500 series product package. It seems to be a good fit for my application and has the right features. However, When it came to installation, I realized that the product designers had assumed that the control box will be situated tight next to the opener, and had allowed a limited amount of wire length. My application required the box to be further from the opener and I had to search in hardware stores to find a compatible cable (with 7 color coded wires) to splice to the wire provided by the manufacturer. I had great difficulty splicing seven wires and protecting the connection and burying it. As a result, my installation is not very reliable even though it is working. The product should come with a solution that would make it easier for the user to extend the primary opener cable as needed to support various installation scenarios. October 2, 2012
Rated 5.0 out of 5.0 by 5 watt solar panel This panel is rated at 12 volts & .4 amps so in full sunlight it's great for any use where you need to trickle charge a battery. Installation is easy and requires a minimum of additional parts. For remotely located gate openers it's a must. June 15, 2006
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