ExpertPower
Product video 1
Rated 4.5/5 across 21,522 reviews — highly regarded by customers.
Customers find the battery works well as a replacement, particularly for alarm systems and Verizon FiOS systems, and appreciate its perfect fit and ease of installation.
Generated from the text of customer reviews
I decided to upgrade my child's ride-on car by replacing the stock 6V battery with this 12V version. The installation was straightforward—it was a direct swap. The performance improvement is incredible! The car is now much faster and has more power, and we've noticed a substantial increase in run time per charge. Highly recommend this for anyone looking to easily revitalize an old toy car. Read more
Works great in my alarm system and cheaper than my alarm company’s batteries. Read more
Last week, in August 2025, I replaced this battery which I bought in 2020. My ups started beeping indicating a battery failure, and installing a new battery since it, confirming it was the battery. Given that it lasted 5 years, I'd say it's not bad for the price. I don't know how many times I may have had a power failure that requires ups power, but probably a few, some shorter some longer. I'm now using lifepo batteries instead, stove they are much lighter and suppressed to have higher capacities, but haven't had one for 5 years yet to compare durability. This one has proven to work fine for 5 years of daily use, so I think it's a good buy if you are want to use lead acid batteries. Read more
Husband liked Read more
works like a champ and was the perfect replacement for the battery for our Celestron scope power station. Read more
Perfect replacement battery for my ion speaker that the battery was no longer holding charge. Simple replacement and exact fit and placement. Great price and saved me easily 6 times the amount when compared to the cost of a new speaker! Thank you! Read more
Good product, good price, prompt delivery. Replaced original item which had been in service for over 9 years. Very happy this was exactly the same product as the original. Fit perfectly into equipment. Read more
Great battery for a children’s electric car Read more
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