The Rock-12-120 is a smart lithium battery that comes with Bluetooth connectivity. It can provide 100A of continuous discharge for high-demand applications. It can also be paired with up to three other batteries of the same model to create a 12V480Ah system that can support up to 400A of continuous discharge. This battery is a great choice for users who need both power and convenience.

The Rock-12-200 is a powerful lithium battery that can deliver 100A of current for continuous discharge. It can also be combined with up to three other batteries of the same type to form a 12V480Ah system that can handle up to 400A of continuous discharge. This battery is ideal for applications that require high performance and reliability.