Q. Once I have booked an order by paying the deposit amount do I need to pay the rest amount immediately or before receiving materials. ? A. No, We have the option of COD once you have booked the order. Post navigationPrevious post: Q. Do I have to make full payment to purchase a product?Next post: Q. Previously my vehicle had GEL Batteries inside. Will SUMATOTEK Lithium-Ion Battery fit in my existing vehicle?