16-Slot 18650 Battery Holder Power Bank Case

Create your own custom portable power solution with the 16Slot 18650 Battery Holder Power Bank Case. Designed for DIY enthusiasts and tech users, this durable case supports up to 16 rechargeable 18650 batteries turning them into a highcapacity power bank for phones, tablets, and USB devices. Key Features DIY Power Bank Design Assemble your own rechargeable power bank by installing 18650 lithium batteries for extended portable energy. HighCapacity Support Holds 16 batteries, allowing large power storage suitable for camping, travel, and emergency backup. Durable Construction Built from premium ABS plastic for heat resistance, impact protection, and safe longterm use. Multiple Output Ports Compatible with USBpowered devices such as smartphones, flashlights, and cameras. LED Power Display Integrated indicators show charging and power status at a glance. Why Choose Our Power Bank Case This DIY battery storage box gives you full control over your charging capacity and battery maintenance. Whether youre assembling a backup for travel or upgrading your workshop toolkit, this portable case offers flexibility, reliability, and simplicity for power users. Perfect For DIY electronics projects Emergency power backup systems Travel, hiking, and outdoor charging setups Powering USB tools or gadgets Product Details Type: 16slot 18650 battery holder Material: Durable ABS plastic Battery Type: 18650 lithium (not included) Charging Input: 5V 2A (varies by version) Output: Dual USB 5V Color: Black Features: LED indicator, overcharge protection, lightweight portable design Dimensions: Approx. 6.3 3.1 1.2 inches (16 8 3 cm) Package Includes: 1 16Slot Battery Holder Case 1 USB Charging Cable 1 Instruction Sheet