Discover the PowerBox DIY 4X, a customizable battery case designed for 18650 cells, featuring a clear LCD screen for easy power monitoring. This versatile portable power bank offers both USB and USB-Type C output options for wide compatibility. Crafted from durable plastic, it’s lightweight and easy to carry, making it perfect for travel or everyday use. The PowerBox accepts lithium-polymer batteries, ensuring reliable performance and safety. Its digital display lets you stay updated on charge status at a glance. Originating from China, this battery case is ideal for tech enthusiasts and DIYers seeking efficient, portable energy solutions.