Top Band 48v 40ah 1.92kWh 15s Lifepo4 Battery with BMS

These batteries have a 50a BMS and inside the metal enclosure are 30x 3.2v 20ah cells in 15s2p configuration.

Weight is 48 lbs.
Dimensions are roughly 17" x 7" x 7" with the mounting tabs on the lid sticking out. Without the tabs the box is about 15" wide. If you have an application with a space that can only handle 15" or less you could always Dremel the top mounting tabs off.

Fully charged voltage- 54.75v (3.65v/cell)
Fully discharged voltage - 37.5v (2.5v/cell)

Comes with a 50a connector as well which you can charge and discharge through.

These batteries were recovered in working condition and the lid comes off easy with just screws. The enclosure is metal.