Coast Batteries are essential accessories for powering your Coast items such as Coast LED Lenser Flashlights. These Batteries by Coast will give you enough power for even the most energy consuming applications. Coast Batteries come in all different types, from the common AA Battery to lesser known AG13 Battery. OpticsPlanet, Inc offers a full line of original Coast Batteries with full manufacturer's warranty and Free UPS Ground shipping on orders over $29.95!