... 2KW, 3KW, 5KW, 10KW, 20KW, 30KW, 50KW,100KW wind turbines and small solar panels,wind solar hybrid systems. products are exported ... parts by our self ,we can ensure our quality and after sale services for you ,all our products are ... constant voltage charging,with over charge, over discharge, AC unloading and short-circuit protection, careful anti-corrosion treatment, stable operation, without special ...