I don't believe they come with anything they are just a set of cells that you can use to replace dead cells in an existing pack or if you have the wires you can build your own.
Any decent lithium ion charger can be used, these wont have a balancer plug so you won't need a ton of money invested into a charger.
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Duct Tape is like the force:- it has a light side and a dark side and it binds the universe together.....
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