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This is a 24 volt pack made of two Universal Battery UB12500 12 volt 50 Ah sealed AGM batteries. It is sold as an upgrade for worn 40 Ah, 45 Ah and 50 Ah batteries of the same physical size in larger mobility scooters and power chairs, and it cross-references common 12 volt batteries such as the MK M50-12, Power-Sonic PS-12400 and GS Portalac PE12V40AB2. The batteries are maintenance-free and spill-proof, so there is no water to top up, and the pack carries a one-year warranty. The main catch is fit: it does not replace 22NF batteries, so the battery box dimensions decide whether it works.
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Lowest price we've seen: $109.99 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.
Rated 4.9 out of 5 from 18 ratings. Buyers report the pack fits and works as a replacement in compatible scooters and chairs, and they value the sealed, maintenance-free design. The recurring caution is to confirm battery size and terminal type first.
This 24 volt battery pack is made of two Universal Battery UB12500 12 volt, 50 Ah AGM batteries. It replaces worn 40 Ah, 45 Ah and 50 Ah batteries of the same size in many larger mobility scooters and power chairs. It is not a replacement for 22NF 50 Ah batteries, so compare your current battery's dimensions to the Specs tab before ordering.
The batteries are sealed and maintenance-free. They come with a one-year warranty.
The pack is offered with standard L-type post terminals or with screw terminals. Screw terminals give about 0.8" of extra height clearance in tight battery boxes. A third option pairs screw-terminal batteries with L-post adapters, so they work with cables made for post terminals.
