The BB-2590/U SMBus (Ultralife part number UBBL10-01) is a smart rechargeable Lithium ion version of the primary BA-5390A/U battery and is designed to meet U.S. Army MIL-PRF-32383/3.

The UBBL10-01 contains two independent battery sections which can be connected in either series or parallel.

In 30V 'series mode' the battery operates between 33.6V and 20.0V (28.8V average) and delivers 8.7Ah. In 15V 'parallel mode' the battery operates between 16.8V and 10.0V (14.4V average) and delivers 17.4Ah.

The UBBL10-01 features dual LCD displays which indicate the absolute state of charge for each section. Ultralife's SmartCircuit technology allows compatible devices and chargers to communicate with the battery via its SMBus v1.1 compliant interface.  The UBBL10-01 is used in a wide range of military applications including robotics, AUVs, UUVs and military communications such as the AN/PRC-117G, AN/PRC-117F, AN/PRC119 and AN/PSC-5D.

Available in box quantities of 4 with a minimum order quantity of 4 boxes