Item Package Dimensions L x W x H | 12.4 x 7.2 x 2.9 inches |
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Package Weight | 3.1 Pounds |
Item Dimensions LxWxH | 9.99 x 9.99 x 9.99 inches |
Item Weight | 0.01 Ounces |
Brand Name | Xantrex |
Warranty Description | Warranty |
Model Name | Xantrex C40 Solar Charge Controller 40 Amps |
Color | Multicoloured |
Material | Plastic |
Suggested Users | unisex-adult |
Number of Items | 1 |
Manufacturer | Xantrex |
Part Number | C40 |
Included Components | Xantrex C40 Solar Charge Controller 40 Amps |
Size | No Size |
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95% positive over last 12 months
85% positive over last 12 months
Xantrex C40 Solar Charge Controller 40 Amps
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Color | Multicoloured |
Brand | Xantrex |
Material | Plastic |
Item Weight | 0.01 Ounces |
About this item
- Used to charge
- Used for diversion or load controller
- Features standard multi-color charge status
- Quick and simple installation/setup
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Product Description
Xantrex C40 Solar Charge Controller 40 Amps
Product information
Technical Details
Additional Information
ASIN | B00524ESG6 |
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Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #148,303 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #131 in Renewable Energy Controllers |
Date First Available | October 1, 2001 |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance, quality and ease of installation of the power supplies. They mention that it works well, is well built and reliable. They appreciate the clear instructions and the value for money. Customers are also impresseded with the efficiency of the charger.
AI-generated from the text of customer reviews
Customers are satisfied with the performance of the charge controller. For example, they mention it works well, it has worked flawlessly for over a year, and it's holding up very well. Some say it'd be a great device if it was state of the art.
"...than 15 minutes to install (4 connections plus mounting) and it works really well...." Read more
"...The charge controller has worked flawlessly for over a year now and is holding up very well...." Read more
"...I am happy with its operation, but it feels overly simplified...." Read more
"...can be used as a diversion load and this controller can be easily converted to work in that mode. Highly recommended." Read more
Customers are satisfied with the quality of the power supply. They mention that it is well built, reliable, and sturdy. The circuitry is reliable and the charger is stable. Customers recommend it as an inexpensive durable charge controller.
"...super easy, the instructions where very clear, and the product's built quality was very high...." Read more
"...The electronic board looks to be very robust and the heat sinks look like they will last a long time...." Read more
"...has been in production and use for many years and is a reliable, rugged design, especially after reading several reviews of MPPT controllers failing..." Read more
"This workhorse PWM charger is very well built and reliable. It has all the controls you need...." Read more
Customers find the installation process of the power supply to be easy. They mention that the instructions are very clear, and the product is built well. Some say that the product comes with a thick, detailed manual in real English.
"...It comes with a thick detailed manual in real English, and has internal adjustments for bulk charge and float charge levels...." Read more
"...Install was super easy, the instructions where very clear, and the product's built quality was very high...." Read more
"...(you can't repair them), but they have a good performance, are easy to install and cheap." Read more
"This unit came with the best instructions that I have ever received with a product and it works good." Read more
Customers appreciate the value of the charge controller. They mention that it is simple, affordable, and works great.
"...So far I am very satisfied with this unit and price was great. I am running 30 amps or so at 24 volts the unit gets slightly warm as to be expected...." Read more
"...is basic but smart and reliable circuitry, not fancy packaging at a great price...." Read more
"...but they have a good performance, are easy to install and cheap." Read more
"This is a solid, simple, affordable charge controller. No frills, but works great." Read more
Customers are satisfied with the efficiency of the power supply. They mention that it has a good performance, is easy to install, and cheap. Some are also pleased with the swift response, courtesy, and understanding. Overall, most are happy with their purchase and recommend it to others.
"...cycle the batteries between bulk (14.5V) and float (13.8V) with great efficiency...." Read more
"...customer support on something I didn't understand and was pleased with the swift response, courtesy and understanding of my question." Read more
"...C40 sufferd a defect (you can't repair them), but they have a good performance, are easy to install and cheap." Read more
"Got it fast. Easy to install. works great." Read more
Customers are dissatisfied with the effect on charging of the power supply. Some say that it does not affect charging, while others say that after a short time it stopped charging completely and caused the battery to briefly go overvoltage.
"...its operation isn't compatible with LiFePO4, causing the battery to briefly go overvoltage (regardless of the C40's settings) which results in the..." Read more
"...After a short time it stopped charging completely...." Read more
"...Does not affect charging just gives misleading colour.Connected to PV panels." Read more
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Install was super easy, the instructions where very clear, and the product's built quality was very high.
Mine is installed in a converted cargo trailer, and is being feed by 4x85w mono crystalline panels.
It in turn feeds 8x125AH deep cycle batteries.
The whole system is subject to the rigors of a mobile environment, including some off road adventures.
The charge controller has worked flawlessly for over a year now and is holding up very well.
My only Crits are having to open the case to access the hook ups, and that the punch outs can be sharp, and can cut you
if your not careful.
I also wish it wasn't so expensive but, compared to other controllers it's a steal!
I am happy with this product and would recommend it to anyone in need of an inexpensive durable charge controller.
The C40 is set to bring the battery charge to 14.5 Volts and then allow it to float down to 13.5 Volts. These are the levels recommended by the battery manufacturer. As the manual says it should, the green LED indicator on the C40 flashes when battery voltage falls below the float level. The number of flashes in the sequence tells us where the C40 is in its charge sequence. When charging is complete, the LED is constantly on.
Also, I purchased this unit used and the description said that its condition was "slight dent in the box." Reality: It was shipped in a thin padded envelope (!), the cover was completely missing (which would be a code violation to operate it without the cover) and one of the wire terminal screws was jammed and can't be used, and no manual or other documentation was included. Fortunately manuals are readily available online. I bought this about a month before the battery so I didn't discover the wire terminal or be able to evaluate its operation until after the return window closed, so I am stuck. For lead-acid, this is the unit for you but forget trying to use it with anything else.