7.4V 2600mAh AAJ68X001 FNB-V133Li V134Li Replacement Battery for Vertex EVX-231 EVX-261 VX-451 VX-454 EVX-530 EVX-531 Radio Battery Product description: Voltage: 7.4V | Capacity: 2600mah | Chemistry:Li-ion Battery | Weight: 166g/0.36lb/5.85oz/pcs Features: 1. High Capacity Battery2. High Quality Cells & Components3. Impact-resistant design; Dual protection; short circuit protection;perfect replace your original batteries4. Comprehensive testing including high altitude performance, vibration, mechanical shock, thermal cycling, external short circuit, and overcharge test simulations Note: 1. Before you order it,please double-check if the item can work for your radio,please check the compatible list2. Normally ships the next day, no more than 2 working days,shipping usually takes 7-15 days arrived to you3. All our batteris was not full charged,please charged it before used