All items are shipped within 2 to 5 businesses days.  After shipping delivery takes about 4 to  12 days. 

We use NCS lithium-ion chemistry cells. They are great for high burst of energy release without any delays. NCS cells are used in most high-end cars including tesla. 

KURSKI limited warranty covers most products to be free of defects in materials and workmanship for a period of 24 months. Some items have a shorter period and some are not covered. Example: flat tire not covered, Scratches.

All products produced by KURSKI have replacement parts available for 10 years from the date of production. 

Yes, All electronics are designed and engineered by KURSKI and use name brand mini parts like transistors and capacitors.