
















































































Midas 40A MPPT Negative Ground Solar Panel Charge Controller LCD Display
![]() |
Description
When you need superior charge control power, look no further than the The Midas 40A MPPT charge controller. Out of the box you'll notice it's made with the highest quality materials and built to last. Intuitive and easy to use, just plug and play and the controller will manage the rest.
The Midas 40A is a negative ground controller, this ensures compatibility with any negative ground system, which is the standard and most conventional way of grounding. Auto identifies 12V/24V DC system voltage. Compatible with various deep cycle battery options: sealed, gel, flooded and lithium-ion. LiFePO4 multiple load control method.
Key Features
- This negative ground controller featuring advanced MPPT technology with high tracking efficiency of up to 99.5% and peak conversion efficiency of 98% maximizes the energy from solar panels to charge your system. Includes Temperature Sensor and Automatic Temperature Compensation.
- Very user friendly. Auto identifies 12V/24V DC system voltage. Compatible with various deep cycle battery options: sealed, gel, flooded and lithium-ion. LiFePO4 multiple load control method.
- Built-in MPPT charge controller protection against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current.
- This charge controller, with backlight LCD screen and die-cast aluminum design is optimized for a long battery life and improved system performance and includes 4-Stage battery charging (bulk, boost, float, and equalization) and temperature compensation
Package List
- 1 x Midas 40A Solar Charge Controller
- 1 x Temperature Sensor
- 1 x User Manual
If you have any questions regarding this product, please call us at 1 (626) 838-5511 or email support@acopower.com.
FREE SHIPPING $69+ - EXCLUDES OVERSIZED ITEMS
Gear.com offers free ground shipping anywhere in the continental US for any order of $69 or more. Gear.com orders under $69 ship anywhere within the continental US for a flat rate of $9.95. Excludes oversized items - Oversized shipping rates apply automatically at checkout.
Shipment tracking typically takes 2 - 7 business days to update. We will notify you as soon as your tracking number becomes available. Please be sure to check your promotions, spam or junk mail folders for these updates. Once your order hits the road, standard shipping takes approximately 3 - 7 business days for delivery. During the Holidays the estimated shipping window is extended to approximately 5 - 10 business days.
Gear.com orders can be shipped from multiple warehouses across the United States and can be shipped using FedEx, UPS, USPS, etc. Some brands have shipping restrictions and cannot ship to USPS PO BOX or Freight Forwarding addresses and will be noted on the product page description.
International and Expedited Shipping:
Unfortunately we're unable to promise or guarantee delivery by a specific date and don't offer overnight or express shipping at this time. We also do not currently ship to Alaska, Hawaii, APO/FPO addresses, US territories, or international addresses. Please feel free to reach out to support@gear.com with any questions!
*For Freight-Forwarding Orders please reach out to support@gear.com BEFORE placing your order. Restrictions apply.
--
RETURNS & EXCHANGES
Need to make a return? Grab your order number and visit our Returns Portal here.
We understand that not every purchase works out. New, unused gear in original packaging and hangtags can be returned within 30 days of purchase for a refund to your original method of payment or for an exchange. We reserve the right to deny/refuse any return requests. Your return items are subject for a quality review, which may delay refunds.
See also, damaged/defective products and warranty claims
Our returns process may take longer than usual. We’ll email you once we’ve issued a store credit or a refund – typically within 10-15 business days after we receive your package. After Gear.com issues a refund, it may take up to 3 additional weeks for your bank to refund your payment. Thank you for your patience as we process returns as quickly as possible. Please contact support@gear.com for all return questions.
How to return by mail
Follow these three steps to submit your return:
-
Visit our Returns Portal - returns.gear.com
To make shipping a return even easier, our returns portal allows you to submit a return request. After we review your request and have authorization from the return warehouse, you will receive a prepaid return shipping label via email. - Pictures may be required to confirm the condition of your return.
- Prepaid labels expire 15 days from the date we issue them.
- Oversized items are subject to an oversized return fee.
-
Pack your return
Pack your item(s) securely and include the original product packaging and tags. -
Prepare & ship your package
Tape your package securely and affix your return shipping label to the outside. (Hint: If you cover or remove all existing shipping labels, you can usually reuse the bag or box your order came in.) Drop off your package at a carrier location near you.
- If we have questions about your return, we will contact you by email.
- Returned merchandise that does not meet the conditions above, we reserve the right to deny/refuse the return.
- All items marked as "final sale" are not eligible for returns or exchanges.
Some items cannot be returned via our returns portal, including the following:
- Hazardous materials
- Food items
- Oversize items
- Some Corporate & Group Sales items
Mail-in return exceptions may apply to coolers, tents, kayaks, surfboards, SUP boards, cargo boxes, car racks, indoor cycles, power stations and more.
Furniture Returns
- Must be fully disassembled.
- Must be returned in the original box.
- We reserve the right to refuse returns that are not fully disassembled and in the original shipping box.
Store Credit
Store credit issued for returned products will expire one year from the date of issuance.
Choose options
















































































