So i found out that there is a lot of money to be saved when purchasing batteries in bulk. So here are the prices of THunder sky batteries are the best for EV conversion…

Nominal Nominal Max Discharge Cycle Life Dimension Weight List Price

Voltage capacity Current (80%DOD) (mm) (Kg) US$

@ 0.3C (Continuous)

TS-LFP40AHA 3.2V 40AH 120A 1000 190x116x46 1.5kg $80

TS-LFP60AHA 3.2V 60AH 180A 1000 215x115x61 2.5kg $120

TS-LFP90AHA 3.2V 90AH 270A 1000 220x145x68 3.0kg $180

TS-LFP160AHA 3.2V 160AH 480A 1000 285x182x71 5.6kg $320

TS-LFP200AHA 3.2V 200AH 600A 1000 285x182x100 7.6kg $400

TS-LFP400AHA 3.2V 400AH 800A 1000 452x288x71 13kg $800

TS-LFP800AHA 3.2V 800AH 800A 1000 850x288x71 25kg $2000

The discount goes:

Volume (Ah) Discount on List Price

```
Per Order Discount %
less than AH
200 0.00%
1,000 5.00%
3,000 7.00%
5,000 10.00%
10,000 15.00%
15,000 20.00%
20,000 25.00%
40,000 28.00%
60,000 30.00%
80,000 30.00%
100,000 32.00%
200,000 33.00%
400,000 34.00%
600,000 36.00%
800,000 38.00%
1,000,000 40.00%
```

So since I am getting 48x 400AH packs, thats $19,200, so i am only saving 20% I am hoping to get to 1,000,000 AH. But i think that is unlikely. So if anyone would like to go in on a group purchase, let me know. I will be placing the order within a year.

Other links:

Thundersky webpage: http://www.thunder-sky.com/products_en.asp?fid=66&fid2=70

Supplier: http://www.everspring.net/txt/product-battery-pricing.htm

-Leif