the reason of the Lithium battery's high price

Some customers always say that the price for battery is so high. To be honest, our price is very favorable. There are so many factors
which will affect the quotation. Some factors for you reference:
1.Battery voltage: the higher,the more expensive
2.Battery capacity: the higher,the more expensive
3.Battery size request is strict or not.
4.The length of electric wire:too long or too short is more expensive
5.The model of electric wire: too small or too big is more expensive
6.With or without connectors and it's complexity
7.The smaller battery cell,the higher cost for processing.
8.The assembling technology for battery packs
9.Working current of the elecric appliance:the lager the more expensive
10.The higher degree of intelligent,the more expensive
11.A new mould is needed or not
12.Whether need to develop new frock clamps or not ?
13.Packingage request
14.Whether need to provide certification/testing data or not?
15.Terms of payment.
16.Seasonal factors:peak season is expensive,off-season is cheap
17.Order quantity
18.The attitude and requirement about defective products
19.Delivery time.
20.Trade procedure