SKU: 57685849727

Alfatronix PowerTector Solid State Battery Guard 9-32VDC - 40A

Sale price$90.90 Regular price$101.00
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Description

Alfatronix PowerTector Solid State Battery Guard 9-32VDC - 40APower: 40A (Continuous) Voltage: 9 32VDC Dimensions: 76 x 78 x 33mm Weight: 155g Solid State Battery Guards The PowerTector Battery Guard is a solid state battery device that will monitor the source voltage and disconnect the equipment from the battery if the voltage falls below a pre determined level. This can work to ensure that there is always sufficient voltage remaining in the battery to start a vehicle engine or ensure power is available for

  • Power: 40A (Continuous)
  • Voltage: 9-32VDC
  • Dimensions: 76 x 78 x 33mm
  • Weight: 155g

Solid State Battery Guards

The PowerTector Battery Guard is a solid state battery device that will monitor the source voltage and disconnect the equipment from the battery if the voltage falls below a pre-determined level. This can work to ensure that there is always sufficient voltage remaining in the battery to start a vehicle engine or ensure power is available for other critical applications. The total discharge of a lead acid battery can also cause damage to the cells significantly shortening the life of the battery. The PowerTector unit can also be set to disconnect equipment at a lower voltage that will still protect the battery from total discharge while allowing for maximum battery usage. A timed version is also available which will disconnect automatically a set period after the ignition has been switched off.

A Wide Range of Features

There are six units in the range from 20A to 200A. The 20A unit offer a simple inline system usually wired to a specific piece of equipment. These units do not require chassis mounting and simply connect and tie wrap neatly within the wiring system. ​

The 40A and 60A units are connected by M6 brass bolts the 100A and 200A by M10 brass bolts and use a three point mounting system to avoid rocking or stress to the electronics when mounted on uneven surfaces. Heat is dissipated into our custom manufactured die cast casing and all units will operate at full power without additional heatsink dissipation.

Manual Shutdown Facility

From 40A upwards the units have the facility to be manually shutdown either through the ignition or a dedicated switch. In addition from 100A upwards the units can have an override switch fitted. This allows the units to be reactivated for four minutes to allow emergency actions to be performed.

Alarm & Disconnect Delay Feature

An alarm output is supplied which once the threshold has been reached for 10 seconds will activate sounding an alarm or other indicating device for a further 50 seconds prior to disconnection. This allows the operator to restart the engine or take other action to maintain continuous power.

Fully Programmable

All units in the range are supplied pre-programmed for a variety of scenarios offering higher or lower disconnect voltages and it is quick and simple to select the correct programme to suit your needs.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57685849727

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4.4 ★★★★★
Based on 20 reviews
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Verified Purchase
Max Ingram
Bozeman, US
★★★★★ 3
Sometimes Good, Sometimes Not So Good...
Size: X-Large, Color: Aqua
I've bought several of these shirts in the past, and I've always been very happy with them, right up until my latest purchase. Apparently, depending on which color/style you choose, the shirts may be manufactured in a completely different country. And despite Amazon's efforts to make sure their clothing brands have consistent sizing across the board, it's now clear to me that some of those countries are not on the same page. Case in point: Guatemala. My latest Amazon Essentials polo shirt purchases consisted of the colors 'light yellow' and 'rust'. Now, the light yellow shirt seems fine. Maybe a tiny bit smaller than my previous shirt purchases, but nothing major. (I think it says made in Chihuahua - but it's hard to tell.) However, the rust colored shirt is drastically smaller than all my similar-sized Amazon polo shirts. I bought it in size Large, but the shirt tail alone is nearly four inches shorter than my previously purchased Amazon Essentials polo shirts. And while the Large-sized Amazon polo shirts normally fit me quite comfortably, with a little bit of room to spare, this rust-colored shirt is skin-tight. If I didn't know any better, I'd swear it was a size Medium masquerading as Large. All of my previous shirt purchases (I now realize) are labeled as being made in either Madagascar or Vietnam. Those are great. They fit wonderfully. But this new rust-colored shirt (once again, same brand - Amazon Essentials) is labeled as made in Guatemala. And let me tell you, the factory in Guatemala is not on the same page as the factory in Madagascar. Not even close. So yeah, these are great shirts. So long as you happen to buy the colors/styles that are being made in Madagascar or Vietnam. But buyer beware if you happen to get one from the factory in Guatemala, because those guys are using a whole different set of rulers over there. And unfortunately, there's no way to tell until it arrives on your doorstep. I'm normally a big fan of Amazon brand products. But this experience has made me quite a bit more wary about buying their clothing items in the future. It really is so very important that their brands have consistent sizing across all colors and styles. P.S. I actually bought the rust-colored shirt TWICE, because I at first assumed I must have gotten a mislabeled product. But, nope. Both rust-colored shirts are the same, drastically-smaller size, and both are labeled made in Guatemala.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2020
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Verified Purchase
Amazon Customer
Birmingham, US
★★★★★ 5
Nice, well fitting and inexpensive Polo.
Size: Large, Color: Red
Don't be deceived by the low price. This is a nice shirt. To me the shirts are a bit "oversized" which I found to be perfect. The large is a "roomy" size large which is what I like. I previously ordered an XL which is my normal size in polo shirts and it was too big, and hung way low. Easy return of the XL and fast shipping of the L was appreciated. Going on a cruise, so ordering a few collared shirts. This is a keeper.
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Reviewed in the United States on January 23, 2026
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Verified Purchase
Sophia Eugenia
Carnegie, US
★★★★★ 4
Decent, definitely got the job done
Size: X-Large, Color: Light Grey Heather, Size: X-Large, Color: Light Grey Heather
The came out to be a pretty decent quality for the price. Was going to a polo match and just needed something to creat on for my date
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Reviewed in the United States on April 1, 2026
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Verified Purchase
Thomas Alexander
Charlottesville, US
★★★★★ 5
Impressed, good equality, size fit, great price.
Size: Small, Color: Coral Orange
Impressed with these polo shirts from Amazon. Bought a few colors. Went with small size, I am thin and work out, seems to fit perfectly, I even washed them in hot and dried hot to keep the shape I wanted, all looks good. Great price.
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Reviewed in the United States on April 19, 2026
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Verified Purchase
CoolSimple
Draper, US
★★★★★ 5
Good cotton shirt
Size: Large, Color: Blue/White Palm
Nice shirt for low price AND 100% cotton! Prepare for shrinkage with warm water wash and medium heat dryer. Use cold water and hang dry to keep length
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Reviewed in the United States on May 2, 2026

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