Motorola Motorola AAJ61X501 1380 mAh Li-Ion Battery [VX820 Series VX920 Series] Motorola AAJ61X501 1380 mAh Li-Ion Battery [VX820 Series VX920 Series] AAJ61X501: Motorola FFNB-V127LI-UNI 7.4 V 1380 mAh Li-Ion battery for use with Vertex two-way radios. Compatible Radio Models: Vertex VX-820 Series two-way...