Features1. Compact and lightweight design for easy carrying. 2. DIY a power bank for your phone. 3. With LCD display show charging progress. 4. Please charge the batteries with USB cable or other chargers (not included). 5. Compatible for 4 x 18650 flat-head Li-ion rechargeable batteries (not included). 6. Support voltage and over-current protection, short circuit protection. 7. Widely compatible for iPhone, iPad, Samsung, LG, Sony, MP4, PSP, camera, etc.. Warm reminder: This product does not include batteries. The battery in the picture is only used to demonstrate how to use the product.Specifications1. Material: ABS 2. Interface: 2 x PD quick charge ports out, 1 x Type-C port in, 1 x micro USB port in 3. Battery Chipset: 18650 cell (not included) 4. Input voltage: DC 5V 5. Output: DC 5V 3A, 9V 2A, 12V 1.5A 6. QC protocol: Support QC 2.0 / QC 3.0 / FCP / SFCP / AFC / MTK / BC 1.2/PD 7. Size: 11.9x7.6x2.3cm 8. Weight: 85g

http://olla.gr/haweel-diy-4x-18650-battery-not-included-12000mah-dual-way-qc-charger-power-bank-shell-box-with-2x-usb-output-and-display-support-qc-2.0-qc-3.0-fcp-sfcp-afc-mtk-bc-1.2-pd-black-haweel/