28v/400a Cw, 2 groove pulley 1. It can support 300a for continuously "hot" use. 2. High output with low speed and low noise. 3. Higher charge rate at idle for longer battery life; 4. Built-in double fan to withstand higher operating temperatures; 5. Energy consumption rate of 75%, higher 5%~10% than others. Neutral package or as customers' requests.
