Fast-charging technology meets rugged durability. With an IP67 dustproof/waterproof rating and high-speed USB-C power delivery and dual USB-A output ports, this 19,200mAh power bank is ideal for outdoor recreation, travel, and emergency use. Highlights: IP67 rating: Ensures protection against dust, sand and debris, and can withstand submersion up to 1 meter of water for at least 30 minutes. New 60W USB-C Power Delivery port: Provides high-speed charging in and out. Fresh design: Features a protective rubber sleeve and a waterproof plug that protects your ports against the elements when not in use. Integrated 50 lumens emergency flashlight: Lights up trails or hallways in a pinch. The Venture 75 can be recharged from a USB-C power delivery source in as little as 1.5 hours. Recharge the Venture 75 from the sun by connecting a compatible solar panel in about 6 hours. Battery Details: Cell chemistry: Li-ion NMC Cell type: 18650 by LG chem Cell capacity: 71.04Wh (11.1V, 6400mAh) Single Cell Equivalent Capacity: 19200mAh @ 3.7V Pack Lithium Content: 5.76g Lifecycles: Hundreds of cycles Shelf-life: Charge every 3-6 months Fuses: None Management system: Charging and low-battery protection built-in Specs: Weight: 20.35oz (577g) Dimensions: 6.1 x 3.8 x 1.1 in (15.6 x 9.6 x 2.9 cm) Operating usage temp.: 32-113F (0-45C)