... .Ni-Fe battery is widely used as DC standby power for railway system, rolling stocks, mine tractor, petrochemical, oil and gas, ... Lead-acid battery, Li-ion battery, chargers and production machines for battery, totally 500 varieties.Occupation 262,000 sqm,$10 million ... : 86-13409241162Product picture Packing pictureCompany picture Nickel Iron Storage Batteries for Wind turbine and Solar Energy