Motorola NNTN4851 Two-Way Radio Battery (1000mAh, 7.5V, NICD) + Charger + FBI Earpiece with Push to Talk (PTT) Microphone Replacement For Motorola CP200, Motorola PR400, Motorola CP150, Motorola EP450 Replacement Battery, Charger & Earpiece with Push to Talk (PTT) Microphone - Compatible with Motorola CP150, Motorola CP200, Motorola EP450, Motorola PR400 Replacement for Motorola NNTN4851 Two-Way Radio Batteries. Transparent coiled acoustic tube provides clear audio quality in any type of environment Lightweight flexible and skin friendly materials adds comfort for extended wear time. Low profile design for a stealth look and feel. Convenient PTT push to talk button prevents unwanted or accidental radio transmission. Capacity: 1000mAh; Upstart Battery Brand; QTY: 1 Battery, 1 Charger, 1 Earpiece. Charger works on NICD & NICD batteries only. Will not charger Lithium-Ion batteries. The earpiece wraps behind your ear plus the rotating lapel clip works together to give a more secure fit. On Sale for a Limited Time!