"Enjoy portable power for the long haul with the Dark Energy Poseidon Pro Power Bank. This 10,200mAh rechargeable battery can hold a charge for 8+ years in standby, and it can be cycled over 500 times that's worth approximately 1,500 to 2,000 average phone charges! The Poseidon Pro charges a smartphone 3 to 5 times on a single charge, so you can stay mobile and powered for longer. USB-C fast-charging port and USB-A port. Plus, it manages to pack all this extra charging power into a portable design that's about the same size as most smartphones. Its waterproof, drop-proof, and crushproof design with Armor Flex tech has been tested to survive shotgun blasts, being frozen, and being run over by a truck, so you know you can take it practically anywhere adventure leads. This portable charger includes a 3' USB-C cable. 6""H x 3.25""W x .63""D. Weight: 9.6 oz. Mfrs. limited 2-year warranty.Manufacturer model #: PSPRO10. 10,200mAh rechargeable battery can hold a charge for 8+ years in standby Can be cycled over 500 times for approximately 1,500 to 2,000 average phone charges Charges a smartphone 3 to 5 times on a single charge USB-C fast-charging port and USB-A port Extremely portable about the size of a smartphone Waterproof, drop-proof, and crushproof Includes 3' USB-C cable"