20000mAh ROMOSS SW20 Pro Portable Power Bank Charger External Battery PD 3.0 Fast Charging With LED Display For Phones Tablet

Package Details 1 x ROMOSS SW20 Pro 20000mAh power bank with retail box 1 X Use Manual Features : Capacity : 20000mAh Output : 5V 2.1A 5V 3A or 9V 2A or 12V 1.5A 5V 3A or 9V 2A or 12V 1.5A Input : 5V 2.1A (for lightning) 5V 2A or 9V 2A (for Micro USB) 5V 2A or 9V 2A Specifications : Size: L168.5*81.2*H23.8MM Color: White Weight : About 463g Notice : For first use, please drain up the power bank to 0 before charging it to 100% to activate the digital LED screen. For smooth customs clearance, customers from Korea who buy ROMOSS power bank, please leave your Clearance Code(P+12 digits, such as P123456789235) when you place the order. Do not worry about that we will not disclose your information.

ROMOSS power bank Work with all iPhone/iPad/Tablets, other cell phones, and electronic devices. ROMOSS power bank can charge about 8.4 times for iPhone 8, about 4.8 times for Samsung Galaxy S8, about 1.8 times for iPad Pro.20000mAh Large Capacity Suitable for everyday using, traveling, camping, or other outdoor activities. What’s more you can use it in your garden, for your USB appliances, like string light.

【ROMOSS power bank 18W Two-way Quick Charge】

ROMOSS power bank only takes about 7 hours to fully recharge the 20,000mAh power bank with a 18W wall charger. Charges QC-support devices up to 50% in just 30 minutes, 2.5 times faster than conventional chargers.(Note: 18W wall charger is NOT included.)

【ROMOSS power bank 3-Input & 3-Output】

ROMOSS power bank 3-input: Micro-USB, lighting, and Type-C provide high convenience of recharging this power bank with any of these 3 widely used cables. 3-Output: 3 USB outputs enable to charge a mobile phone, a tablet, or for Nintendo Switch simultaneously at maximum speed up to 3 amps.

【ROMOSS power bank Exactly Display】

ROMOSS portable power bank has a full-view LED display, it presents available battery percentage exactly and it can show the current and voltage as well. Ensures easy check and accurate battery capacity.

【Allowed On-Board Flight】

ROMOSS Power bank With built-in polymer cells are complaint with Civil Aviation Standards are allowed on aboard flight without any safety concerns.

【Quality Assurance & Certified Safe】

Our Li-Polymer batteries adhere to the highest safety and quality standards. Automatically adjust the output power to deliver the optimal charging current to keep your devices from overcharging, over-current, over-voltage, and short circuits.

As an original ROMOSS quick charge power bank, for the first time, please use it up(totally to 0%), then recharge it to 100% (No interruption is allowed during charging). After that, if you continuously and quickly press the power button 3 times, you will see a picture on the screen. If your picture is EXACT the same as above, your power bank can work normally from now on.