About this replacement
Designed for Airbus, EADS, TETRA devices. Compatible models include THR9, THR9i, THR9 C-30, THR9 Ex, CASSIDIAN THR9, HT9588AA, HR8509AA, THR9+. Replacement part numbers include BLN-5i, BLN-6, BLN-Ex-2 U. Key specifications: 3.7V, 5700mAh, Li-ion.