WS91-12 is a comfortable and high secure electric counter-balance stacker with 1200KGS loading capacity, with duplex mast and free lifting, equipped with Liftstar-Made EPS and AC drive system. EPS offers comfortable operation experience and increase efficiency greatly. Standard equipped with 280Ah lead-acid battery. 3 different lowering speed, slow-medium-fast suitable for different situations. Chassis design life up to 10 years. Injection molding cover, Stellana Brand Wheels offer best quality. Liftstar-made EPS and Curtis double controllers can real-time protect the vehicle control from circuit overvoltage, under voltage, over current, excess temperature, Short circuit. Double controllers can safely reduce the traveling speed under the condition of Mast lifting and sharp turn in the corner. The lifting Limit function can protect hydraulic motor, save energy and battery. Self made handle can be modified for cold store application. Inclined fork can be added. If you are looking for a product to replace forklift or need a wider range of applications electric stacker, please choose WS97 series, it will reduce your cost greatly. Our WS series bring high return on investment. 200A Curtis transistor controller High performance AC driving Motor, Liftstar EPS controller EPS system as standard, low energy consumption, low noise •Electromagnetic brake •Automatic-Speed limited control when lifting •Cold-drawn steel mast profile. Equipped lifting limit switch Automatic slow down technology for corner sharp turn Ergonomic Self-made handle with safety reversing switch and horn Battery discharge indicator with hour meter Key switch to limit access to approved personnel Intelligent battery charger