11.1V, 6600mAh, Li-ion Battery fits Systemax, Pursuit 4025, Pursuit 4030, 73.26WhBattery Fits Models: Pursuit 4025, Pursuit 4030, Pursuit N255ii3 Battery Part Numbers: CS FU1640DB The Cameron Sino range of batteries are historically the most reliable and cost effective generic batteries we have ever supplied; they are designed with safety as a priority and will last as long as the originals. Cameron Sino batteries have manufactured generic batteries for many years. We offer the freshest batteries straight from the manufacturers;