This DIY powerbank is handmade by us, the case is prebuilt and we handpick the best batteries from dead PC battery packs, this is one of the ways we are encouraging waste to treasure. Our testing unit ensures the powerbank fulfils the stated purpose before shipping out to buyers.
It can store a maximum of 8 batteries, support free soldering. It is equipped with dual input port & dual output port, you can charge your cell phone or tablet via USB port, and charge the power bank via Type-C / Micro USB port. Safety protections ensure safe charging experience. With the display, you can accurately check the remaining battery power. It also has LED flashlight function.