Simply connect the charge controller board, battery, and 5 Volt DC-DC converter.

Simply connect the charge controller boards and batteries in to the case, and then connect the 5 Volt DC-DC converter.

Plug in your tablet, DIY project, or smart phone and start charging!

Connect a micro USB charge cable to recharge the batteries from any 5 to 6 volt power source. Each cell has it’s own charge controller for true real-time cell balancing. Each charge controller in the pack will automatically start charging once excess power is detected.

You can also connect multiple energy sources to Power Stacker like solar panels, dynamos, and other USB power sources to increase the charge current to the battery pack.

Whether you’re charging a smart phone, tablet, or remote controlled robot, Power Stacker will give you the power you need now and adapt to your power requirements in the future.