Perimeter Technologies Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars (4-Pack
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There is no way to tell. There is a receiver on the collar of the Invisible Fence fence, which is also branded with Invisible Fence. My experience with them has only been with their batteries. Sorry for the limited information.
It is a great brand of batteries that work well with Invisible Fence. Rather than being rectangular, these batteries simply pop into place. You should be able to work with them just fine.
Since batteries are classified as rated 5", I wonder if they should be charged first Depending on the battery, it can last up to 10 years. For this reason, all our batteries are guaranteed, so if a bad one is found in the batch, we will replace it
Tested by dogs, so it is just a matter of how they react. If I can purchase this brand of battery from Amazon, I will never purchase the Invisible Fence brand of battery again. Here is some information I hope is useful,
Selected User Reviews For Perimeter Technologies Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars (4-Pack
Since I have had my Invisible Fence R21 collar for years, it has worked reliably. Due to their cost being about half that of the Invisible Fence (which seems outrageously priced), I decided to give them a try. I'm sorry, but these are utter This is ridiculous. I simply cannot believe these are available for sale. The fact that Amazon carries such products should embarrass them. Of the 4 batteries, none of them were working properly. When I tried them all in the collar, they all responded to the voltmeter as expected, although they were all totally drained when plugged in. I decided to crack out the voltmeter and saw that they were all reporting 3V, which is correct. As I was inserting the batteries, I tried standing on top of the invisible fence line on a couple of them. The batteries gave me three increasingly faint buzzes, but they could not sustain it. The battery then worked perfectly as expected again when I tried it with one of the name brand batteries. The book had the potential to make me love it. The particular set of batteries in my hand might have been forgotten on a shelf for a decade, but I have a hunch that they are mostly old and tired.
To replace the batteries in an Invisible Fence Brand sensor, I bought these batteries. There is no way to return them, because they don't work! The scam is so obvious.
Groupies" are unavailable to help with product issues. Received a 4 pack of batteries were dead out of the package, 1 lasted 3 days, and my guess is that the fourth will last until it's time to replace them. The packaging has no date on it. Battery manufacturer Perimeter claims that their batteries have a shelf life of 6 years! Instead of days, it should be months! This is amazing! I think Amazon should take action against this merchant asap - there are so, so many complaints about the same problems. Amazon seems to have taken a terrible hit because of this!.
This is low-quality, or incorrectly stored. The #1 thing you need from an electric battery is its ability to hold its charge, and these failed in that regard.
It is very difficult to find batteries of good quality at their website. It seems the 4 pack is worth a try after reading the reviews. I replaced the original invisible fence battery four days after it lasted three months, and the red light on the collar started blinking. The second battery will be installed next so we can gauge its durability. My rating at this time is not five stars.
These batteries didn't even last my dog's collar 3 days after I put them in! Then there was the death of one. Thus, I ordered 4, received three that worked for about a week, and I am returning the other two. You should spend the extra money to purchase Invisible Fence.
It has been 10 or 15 years since we installed our invisible fence. There is no indication of what model we have, but these batteries are a direct fit in the receivers we purchased from Invisible Fence 5 years ago. The two dogs we have are black labs. Our fence is never tested by any one of them. When his collar is left with a dead battery, we notice that it slowly fills up with plants. There is probably some need to rely on a beep to remind him where We occasionally have to zap our other dog so she stops chasing whatever, or whomever, she has in her sights. She seems to be able to use these batteries perfectly. I will update this review if we find out otherwise. If you'd like, you can have our lawyer do it.
The shelf life of these might be expired since they dropped them on me, as I do not know how long they had them on the shelf before. A two-week storage period was reached with two out of the four batteries, while a two-day storage period was reached with one battery. The treatments are designed to last around 3 months each. However, I have not yet used the last one (pretty consistent in poor quality), so I am unsure if it will last any longer than the others. My dog decided to run through the fence, so I decided to buy official invisible fence batteries and bite the bullet on cost. I felt it was either buy the official batteries or let It is highly recommended that you do not purchase.
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