BATTERY

Level	Blueprints	Credits	Total	Research time	Total
1	1	1,000	1,000	1 min	1 min
2	4	2,000	3,000	10 min	11 min
3	15	3,000	6,000	1 h	1 h 11 min
4	30	5,000	11,000	4 h	5 h 11 min
5	60	10,000	21,000	1 d	1 d 5 h
6	120	20,000	41,000	2 d	3 d 5 h
7	300	40,000	81,000	4 d	7 d 5 h
8	600	60,000	141,000	6 d	13 d 5 h
9	1,200	100,000	241,000	8 d	21 d 5 h
10	2,500	250,000	491,000	10 d	31 d 5 h
11	5,000	500,000	991,000	12 d	43 d 5 h
12	10,000	1,000,000	1,991,000	14 d	57 d 5 h
13	25,000	2,000,000	3,991,000	16 d	73 d 5 h
14	50,000	10,000,000	13,991,000	18 d	91 d 5 h
15	100,000	25,000,000	38,991,000	20 d	111 d 5 h

Blueprints are collected, not spent: the number is how many you need to have. Credits and research time are paid at each level; Total adds them up to that level.