Retevis 2000mAh Li-ion Radio Battery for TYT/Tytera MD-380/ Retevis RT3 Two Way Radio Walkie Talkies 2000mAh Capacity:allows you to standby for longer Voltage:7.4v; Battery Fit TYT,Tytera MD-380 MD-446,Retevis RT3 Made of highest quality battery material, more safety and longer time use It's the best booster to your radio when you go hiking or other outdoor activities Package Includes: 5 x 2000mAh TYT MD-380 Two Way Radio Original Battery;We provided 45 days warranty