Tera Two Way Radio Battery BL 5 1800mAh 7.4V Stock Li ion for Baofeng Pofung UV 5R 5RE 5RA This BL-5 1800mAh 7.4V stock Li-ion battery is specially designed for Baofeng UV-5R, UV-5RE, UV-5RA and Pofung UV-5R, UV-5RE, UV-5RA radio. Work temperature: approx. -20---60. Work time: approx. 10-12 hours. Battery type: Li-ion battery. 100% Brand new.