From Muchmore Racing:
This product is a 2-cell balanced charging lead.
Also, You can use other chargers with the same charging lead type.
Muchmore Racing 4mm & 5mm Multi Bullet Plug is 4 point contacts provide Ultra low resistance.
The 14awg wire is suitable for high amperage charging.
When using batteries with different battery connector sizes (4mm or 5mm), can be connected to a charger without any extension.