Outback FLEXmax100 Charge Controller - ShopSolar.com
Skip to content
Cart (0 item)

Your cart is empty

Outback FLEXmax100 AFCI | 300V MPPT Charge Controller

by Outback
SKU FM100-300VDC-01
Current price $1,360
Original price $1,700
Translation missing: en.product_price.item.price.range_html
Original price $1,700
from $1,360
Current price $1,360
You Saved: $340 20%

Support Agent

Have a question? We're here to help.

Friendly Phone Support:  877-242-2792

Instant Live Chat:  Chat Now

Mon-Fri 10am-6pm EST

Estimated Delivery Time: 5-7 Days | Order Today

30-Day Returns | Fast Shipping | 40,000+ Customers

Outback FLEXmax100 Charge Controller

The FLEXmax 100 charge controller uses continuous Maximum Power Point Tracking (MPPT). This function continuously seeks out the maximum power available from a PV array and harvests it. This power is used to recharge the batteries. See page 74 for a description of MPPT.

The FLEXmax 100 has the following features:

  • Designed for operation as part of an OutBack Power Grid/Hybrid™ system
  • Supports 24, 36, and 48 Vdc battery voltages
  • Wide input voltage range allows the use of a PV array configuration up to 300 Voc
  • Controls an equalization cycle manually or automatically
  • Rain-proof enclosure
  • Logs up to 128 days of operational data
  • Field-upgradeable firmware
  • Can be remotely monitored and configured (up to 300 feet or 100 meters away) using MATE3s system display
    - MATE3s must use firmware revision 001.002.000 or higher
    - This product is not intended for use with the AXS Port or the previous MATE, MATE2, or MATE3 products
  • Supports the OPTICS RE™ online tool1 for a cloud-based remote monitoring and control application
    - Requires the MATE3s
    - Visit www.outbackpower.com to download the software
  • Type 1 series arc fault circuit interruption

Still Have Questions About Outback FLEXmax100 Charge Controller? Give us a call today 1-877-242-2792

What is the Shop Solar Kits returns policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer must pay for the return shipping costs. See our complete return policy on our Shipping, Deliver, and Returns page.

What’s covered by the Shop Solar Kits returns policy?

Our returns policy covers all purchases made through Shop Solar Kits. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my Shop Solar Kits order?

All orders are processed within 72 hours and you can expect delivery within 5 to 10 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are the financing and payment options at Shop Solar Kits?

We offer several ways to pay to make getting your solar kit simple:

  • Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer
  • You can arrange financing during the checkout process, see our Financing page for more details

How does the Shop Solar Kits Lifetime Support work?

Our legendary lifetime customer support has helped make us the #1 solar kit retailer. We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Shop Solar Kits equipment, we’ve got you covered: we’re always only a phone call or email away.

Top Solar Company in the USA

Top Solar Company in the USA

The prestigious ranking by Consumer Affairs is based on comprehensive evaluations, including ratings and reviews, equipment options, support services, pricing transparency, warranties, and various other factors. Among the top 6 nominated companies, Shop Solar stands out with the highest review rating, reaffirming its dedication to customer satisfaction and product quality.

Best Components, Lowest Prices

Best Components, Lowest Prices

We cut out the bloat of traditional solar companies and pass those savings off to you. Plus, we provide free shipping on all solar kits and lifetime customer service on everything we sell.

Expert Guidance

Expert Guidance

Our team of solar professionals is here to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.


We’re people just like you

We’re not corporate and neither are our customers. We’re just a group of 50+ solar enthusiasts who are passionate about providing an honest, no-BS way for anyone, anywhere to improve their lives and the world around them with solar power.

Trusted Solar Authority

Trusted Solar Authority

With over 40,000+ happy customers, 2,500+ positive reviews, and decades of experience in the industry, we’re proud to say we’re America’s #1 solar power solutions provider. You can trust us to provide you with top-notch products and legendary customer service at every step of the way.