Motorola 53964 High Capacity Battery is compatible with DTR410 / DTR550 Digital license free business radios. Makes a great a spare or replacement battery.
Battery FTN6574B Li-Ion 3.6V 2350mAh Panasonic for two way radio MOTOROLA MTP850
Motorola 3.6V Lithium-Ion Rechargeable Battery for CLS HCSN4006