how to use an accumulator?

[iferio]

I want to buy this Thunder sky LFP 3.2V 90Ah Cell [TS-LFP90AHA] - $117.00 : EV Assemble, LiFePO4, Electric Bike Conversion Kit, EV Charger, BMS, EV Components, EV Parts, All for EV! accumulator for my camera. How to charge it and how to insert the wires into the socket of my camera if there,it seems, no wires sold with the accumulator?