Green-Digital Power-tech Co. Ltd engineers have dedicated to digital control power products for 13 years. From smart battery chargers to portable external battery system, our products covers many different applications based on battery powered devices. We have more than 50 standard models for your selection. These products are designed for NIMH, NICD, Li-Ion, Li-polymer, LiFePo4 and Lead-acid (AGM, GEL, VRLA, or WET ) type batteries application. With 6000 square meter factory and 400 employees.