Now you can have the ultimate battery at an affordable price. 
Build your own battery with this all inclusive DIY kit

What's inside the box?
- 16 x 100AH 3.2v LiFePO4 New A Grade Cells 
   * 7000 Cycles @ 100% DoD @ 0.5C @ 25°c until 70%(70AH) Capacity retention remains
- 15 x Connector sets
- LBSA/DALY 120a 16s 48v BMS
- Some extra nuts and bolts that you will need
- 2x1m black+ 2x1m red 8AWG fine stranded tin coated copper wire
- All cables are crimped with the required tin coated copper lugs