8-Slot DIY 18650 Battery Power Bank Case Digital Display 5V 21A Fast Charger Box for Travel Business Trip Use

Description: Skip overpriced pre-made power banks and build a custom portable charger perfectly suited to your needs with this Solder-Free 8-Slot 18650 Power Bank DIY Case with Digital Display. No professional welding skills or tools are required for super simple assembly! Features: 1. Welding-Free Setup for All Skill Levels: Our high-quality PCB circuit board comes fully pre-soldered, and each battery slot is fitted with elastic metal springs, so you won’t need any professional welding equipment to assemble your power bank. No matter your DIY experience level, you can put together a custom charger quickly and without frustration. 2. Real-Time Charge Tracking: The high-precision LED digital display module clearly shows your remaining battery level in real time, so you can check how much power you have left at a single glance, and avoid unexpected device shutdowns when you’re out and about with no access to a wall charger. 3. Durable Scratch-Resistant Casing: Crafted from rugged textured ABS plastic, this case effectively resists everyday scratches, minor drops and general wear and tear, keeping your internal circuits and batteries safe from external damage to extend the lifespan of your assembled power bank. 4. Customizable Large Capacity: The 8 independent battery slots work with all standard 18650 lithium batteries (please note batteries are not included). You can get up to 20000mAh+ total capacity depending on the batteries you install, which is more than enough to charge smartphones, tablets, wireless earbuds and other small electronics during travel, camping trips or work travel. 5. Intelligent Charging Safety Features: Equipped with a built-in smart protection IC chip, this case automatically prevents over-charging, over-discharging, short circuiting and over-current problems, ensuring steady charging output while protecting both your installed 18650 batteries and the devices you plug in from damage. Specifications: Category: DIY Power Bank Accessory / Portable Charger Shell Material: ABS Size: As pictured (1inch = 2.54cm) Color: As pictured Application: Custom portable power bank assembly, outdoor power source, travel charging kit, daily emergency power backup Package Included: 1 x Power Bank Case (18650 batteries are not included) Note: 1. Product images do not reflect the actual size, please check the description for full size details. 2. Please allow for slight size differences due to manual measurement, thanks for your understanding. 3. The actual color of the product may differ slightly from the images due to variations in monitor displays. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.