Specification :

Military battery pack ( BB-2590)
These packs consists of High Capacity SAF? Li-ion Cells, with state of charge indicators activated with a button push.
Rugged quality build to withstand field conditions.
Replaces: BB590, BA5590, BA5390, BA3590 and BB390
Cell Capacity: 28.8 volts @ 6.6AH 14.4 volts @ 13.2AH
Typical voltage : 14.4 volts / 28.8volts
Max Voltage: 16.4 volts / 32.8 volts
Chemistry: Li-ion battery pack
Storage Temperature: -20 to 55 degrees Celsius
Operating Temperature: -20 to 55 degrees Celsius
Terminals : Gold plated terminals ( see picture)
Case Material: Enforced ABS
Weight: 1.45kg
Dimensions ( H-W-D) : 126.5 x 111 x 61.5mm