MTR53616 – MOTOROLA 53616 Rechargeable NiMH Battery Upgrade Kit for Motorola FV700, SX500, SX600, SX900 Series 2-Way Radios Review PartyLamb Accessories August 6, 2018November 10, 2018CB & Two-Way Radios, Electronics, Motorola, Portable Audio & Video 0 Comment Manufacturer: Motorola MOTOROLA 53616 Rechargeable NiMH Battery Upgrade Kit for Motorola FV700, SX500, SX600, SX900 Series 2-Way Radios