The Nitecore NB20000 power bank has an extraordinary 20,000mAh battery that can charge an iPhone 12 six times over. Embodying all this power in a solid carbon fibre frame and case, the NB20K is 27% lighter than conventional power banks and compact enough to slip right into your pocket, with a sleek modern minimalist design. The NB20k is the ultimate portable backup battery charger for road warriors, outdoor enthusiasts who enjoy hiking or camping, or first responders who are on a long search and rescue mission. It is also a great addition to your emergency prep kit or bug-out bag. Quad USB/USB-C Ports with Quick Charge Its 3x USB/USB-C QC output ports are compatible with a variety of electronics and allow you to fast charge electronics. The USB-C output port has been upgraded to 45W making this the ultimate laptop/notebook companion charger. For delicate devices such as Bluetooth headphones and smartwatches, NB20k has a one-touch low current mode. Safe and Durable Traveling? The NB20k is approved for airline travel in accordance with UN38.3 protocols. Perhaps a perilous destination? Its lightweight yet strong carbon fiber case ensures that NB20k is highly resistant to puncture, abrasion, and impact. Additionally, the NB20k is IPX5 rated water-resistant, and provides safeguards against short-circuit, overcharge, over-discharge, and overheat.