Frequently Asked Questions (FAQ)

What are the differences between PowerTech Systems products and those sold on this site?
How safe are Lithium-Ion PowerBrick batteries ?
What can i use PowerBrick battery for ?
Do i need to recharge battery immediately after operation ?
How do I charge a PowerBrick Lithium-ion battery ?
How long does a PowerBrick battery last ?
What is the Battery Management System (BMS) and how does it work ?