X127-99-2b Better
For detailed installation instructions or to order a replacement, you can refer to parts catalogs like those provided by Cart-Mart/Legacy Power.
Here is a deep look into the "unseen worker" of the electrical world: The Ghost in the Machine In the complex anatomy of a Columbia ParCar or a high-output industrial charger, the X127-99-2b X127-99-2b
0411_02 Class F Transformer System 12/18/24 Cell 14/35 - eBay For detailed installation instructions or to order a
The code appears to be a specific technical identifier, likely related to industrial hardware or maritime archaeology. Most notably, the "X127" part refers to a famous historic shipwreck, a water tanker sunk during WWII, which is now a popular site for technical diving and archaeological research. Exploring the Depths: The Story of the X127 a water tanker sunk during WWII

