CRONY PS-618 Hand turn type power solar Power bank Solar battery hand crank power generation Product features 1 super waterproof grade (IP66) 2 waterproof dustproof shockproof functional 3 built-in lithium-ion polymer battery A (explosion-proof) 4 external high-efficiency solar panel super conversion efficiency up to 15% 5 composite materials flame retardant PC materials safe and worry-free 6 using super bright military LED double light design and SOS emergency signal light (super light) 7 dual USB interface over-current and over-discharge short circuit protection (device safety) 8 imported digital chip high conversion speed energy storage Material: ABS + TPU + Silicone Name Model: PS-618 Product size: 1727240 Input voltage: 2A/5V Output voltage: 2.1A/5V Battery capacity: 40000mAh Battery type: Polymer lithium ion battery Additional functions: solar energy hand crank 2 USB port output LED camping light dual input (micro+typeC) product net weight/gross weight: about 600 grams Product Color: Black Red/Black/Orange/Blue/Green Package includes: 1x external battery 1x Charger cable 1x User Manual