Originally Posted by rsscoggins
I am not referring to how the leads connect to the ESC - I know you can use Dean's, Traxxas, etc for that. The link you provided is for Gens Ace that has the leads directly connected to the cells. They also have them with removable leads.
The cells come in one of 2 ways...either with leads already connected to the cells which have connectors on the other end of the leads...or they come with bullet connectors built into the hard case. The ones that have the removeable leads are just ones that use bullet connectors and have a set of leads with bullet connectors on one side and a connector to the ESC on the other.
No matter which way you go you are going to have some sort of connector between the battery and the ESC...what matters is which method you want your ESC to connect using. A battery that has leads and a connector already attached is the easiest method...but a battery using bullet connectors inside the hard case makes for a much cleaner wiring installation.
Leads attached to the cells with a connector on the other end:
Bullet connector inside the hard case:
Bullet connector inside the hard case with a lead adapter to use a different connector:
The last to are both bullet connector battery packs...but one comes with leads that you can use to make an adapter from bullet to Deans or whatever other connector you want to use. No single method is better than the other of the 3...it all depends on what type of connector you like to use to your ESC and what will fit in your car's battery location. Some cars have an upper deck or brace that covers the bullet connectors so they can't use a battery like that. Other cars have a very tight fit so having a battery with wires that exit the side is not going to work very well. Something to consider though that in the 3rd pack if you use the provided leads then you are connecting with 2 connectors where if you use the first pack or the 2nd with bullet connectors on your ESC then you are only going through 1 connector. Resistance goes up with every connector you add...however the amount is so small that you would never be able to notice a difference while running the car.