National Battery is a leading distributor of high quality batteries. Call us at (718) 461-9797 or email us at for more information.

SigmasTek is a leading supplier of Valve Regulated Lead-Acid (VRLA) batteries. SigmasTek products are utilized all over the world for UPS (Uninterrupted Power Supply), mobility, medical, emergency lighting, security, telecommunications, and many other critical applications. SigmasTek's product range includes general purpose, GEL, High-Rate Discharge, long life and front terminal batteries, as well as battery chargers. National Battery offers high quality replacement batteries for the following series: