Amstron replacement Gateway 102306 Battery is designed for use with the Gateway 3018GZ, 3040GZ, 3520GZ notebooks many and more. Amstron Power Solutions manufactures and delivers high-quality and high-performance batteries and chargers. Amstron batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. The LGA-23 offers more than double the power than the standard battery letting you work twice as long.