Pytes Power Cable Pair, Pi LV1 Series, 2 m Length, Includes 1 Black (Negative) and 1 Red (Positive) Cable, For Use With Pytes Pi LV1 Battery Modules (SKU: PYTPILVBMU), Used to Interconnect Pi LV1 Modules or Connect Stack to Busbar or Inverter. OEM cable pair designed for Pytes Pi LV1 modular energy storage systems.