occkic | DIY 4x18650 Battery (Not Included) 10000mAh Power Bank Shell Box Module With 2 USB Port Led Light For Phone Pad DIY Power Shell

Features:1. Use high-quality materials to ensure product quality2. Dual output, capable of charging two devices simultaneously3. Stable performance, with anti reverse protection, the battery cells will not burn when installed in reverse4. Single section, two sections, three sections, and four sections are universal. One section can also be used, and four sections can also be used. The capacity can be freely selected5. Widely applicable and suitable for various devicesParameter:Battery cell: 18650 * 4Compatibility: Compatible with 99% of electronic devices on the marketInput voltage: DC5V 2AOutput voltage: 5V/2.4AInstalling a reverse battery IC immediately protects the motherboard from burning, as long as one battery is correctly assembled, it can work, preventing reverse connection and series connection; Support recycling, environmental protection and energy conservation.Product list:Mobile power bank case * 1 (excluding battery)