7.4V 2600mAh Li-Ion ( Lithium-Ion ) High Capacity Radio Battery. ^^ Replacement for Kenwood KNB-47L KNB-48L Two Way Ham Radio Walkie Talkie Batteries. ^^ Compatible with Kenwood NEXEDGE NX-200, NX-300, NX-200G, NX-300G, TK-5220, TK-5320 ham radios. ^^ Built-in circuit protection ensures both safety and stability, perfect to replace the original battery. ^^ All products are replacement part with our own brand Aimtobest. The mention of other brand name or specific model is solely intended to illustrate compatibility.