This is the latest released high quality lithium ion battery for Vertex Standard Walkie Talkie. Battery: lithium ion battery For the brand: Vertex standard Fit models: FT-60R / VX-110 / VX-127 / VX-130 / VX-132 / VX-150 / VX-160 / VX-170 / VX-177 / VX-180 / VX-410 and More The charging temperature: 10 ~40'C The discharge temperature: 0 ~60'C Storage temperature: -20 ~35'C Capacity: 1800mAh Voltage: 7.2V A big power battery will bring your walkie talkie a powerful life!