DIY 48 V 18650 lithium ion cells Battery Pack (spot welded)

Building a 48V 42Ah 13s15p 18650 lithiumion cells battery pack. Made from rejected 10s4p Bosch packs. 13 serial, 15 paralleled 2850Ah 2C max LG 18650 Lithiumion cells. Spot welded 0. 15mm x 7mm 99 pure nickel strips. 3060 Amps BMS. 12 AWG Wires. 230mm diameter Battery Shrink Wrap 12V 48V configurable battery meter. 50A anderson connectors for charge and discharge Music: M83 Midnight City Update: Battery is finally tested. Unexpected that I can t even notice it is really charging to