【Compatible models】Battery Compatible with RAZER Viper Ultimate,RC30-030501,Viper V2 Pro,RZ01-0439,Cobra Pro,Deathadder V3 Pro,RZ01-0463,Part Number:US702428P,3.70V/500mAh/1.85Wh. 【Product Features】Say goodbye to battery worries! Our battery comes with a full - suite of protective features.Safeguards against over - charge, over - discharge, over - heat, over - current, and short - circuits. 【Perfect Replace】Boasting a high - capacity circulatory function, this battery is far from an ordinary substitute. It's a superior replacement for your original batteries, providing consistent and reliable power. 【Quality certification】 No memory effect. Every battery are CE certified, tested by manufacturer to match OEM standard,built with multiple circuit protection. 【 service】Purchase with complete peace of mind. To ensure a seamless fit, we recommend double - checking the compatible voltage, cell size, and connector type. Your satisfaction is our commitment. The battery compatible with RAZER US702428P,Viper Ultimate,RC30-030501,Viper V2 Pro,RZ01-0439,Cobra Pro,Deathadder V3 Pro,RZ01-0463.