ExpertPower Baofeng Extended True Capacity Battery (Model: BL-5L, 3800 mAh, Red) Compatibility - A detailed list of compatible radios is listed in the description. Please refer to it if you need to check your radio compatibility. Freedom from the Charger - This Extended Capacity battery is guaranteed to give you up to 50% extra time off the plug that the original 1,800 mAh battery. Accept no substitues. Avoid the Counterfeits - ExpertPower is the most trusted and highest reviewed seller for Baofeng Batteries. Purchase from us and avoid the counterfeits. More Battery, More Radio - This extended battery not only gives you incredible battery life, but it also increases the size of the radio making it easier to hold and handle. Peace of Mind; 1 Year Warranty - If your product fails, help is just one phone call away! Our warranty does not cover purchasing error, so please make sure your radio is compatible by referring to the description.