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Description
Ajax EN54 Internal Battery (72h) 7.4V 10Ah White 127878.324.WHOverview The Ajax EN54 Internal Battery (72h) is a rechargeable Liion backup pack designed for internal installation in Ajax EN54 Fire Hub Jeweller and EN54 Fire ReX Jeweller control units. Specifically engineered to meet EN 544 autonomy requirements, the 72hour pack delivers certified backup power for EN54 fire alarm installations. EN54 certified usage: Meets EN 544 autonomy requirements when used with compatible EN54 CIE or rangeextender devices.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.4 ★★★★★
Based on 1624 reviews
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Product Reviews
★★★★★ 5
Great Toy
Size: One Size
My three year old loves to play fetch and this dog toy was perfect for him. With the bright, signature orange and blue colors, he can easily spot it when I throw it even in the night. He really loves it when it bounces on the ground as he prefers to jump up and get it. The toy has been through a lot and so far he hasn't chewed through it yet as it is very thick for him to get through.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 1
Lasted whole five minutes!
Size: One Size, Size: One Size
I received this last night and did a cute "unwrapping" this morning for my dog, who was thrilled to get new balls. Unfortunately, the excitement was short-lived. I know the description says this isn't a chew toy or for aggressive chewers, but lasting only five minutes is ridiculous. You can see in my photo that it ripped from a single bite while my pup was just pulling the ball. I thought that was exactly what this toy was designed for!
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Super fun!
Size: One Size
Our GSD loves this toy whether playing with it by himself or with us - he grabs the rope and flings it then chases it…it’s become his favorite toy!
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Reviewed in the United States on April 11, 2026
★★★★★ 3
Dog loves it, but it comes apart pretty quick.
Size: One Size
The dog loved chasing it and playing tug-of-war, but it lasted less than 30 days. If the outer rubber portion of cover was thicker, or all canvas material, it would probably last for a few months of rough play. May buy again if I can't find something similar to try.
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Reviewed in the United States on August 4, 2025
★★★★★ 5
Fun for my puff ball lover
Size: 30 Pcs
The gun is very cheaply made and sometimes shoots when the trigger isn't pulled. But my puff ball loving monster seems to love it and all his new puff balls. He was literally jumping with joy.
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Reviewed in the United States on February 8, 2026
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