The company offers a wide range of energy storage systems, including off-the-shelf and custom lithium-ion cells, modules, battery packs, and integrated power services. Their TRIDENT maritime batteries provide industry-leading energy density or ultra-high power density, depending on the application. Spear Power Systems serves customers in defense, oil and gas, mining, marine, renewable energy, communications, and medical industries, providing robust services and reducing time to deployment. They specialize in advanced lithium-ion energy storage systems for aerospace, defense, industrial, and marine applications.