Venture Smart Lantern, Black High-capacity 7800Mah Rechargeable back-up battery offers 48 hours of illumination or up to five full charges to your mobile device High-impact fireproof housing and portable design to go with you anywhere 2.1A USB port fully charges most mobile phones within 2-3 hours and can hold a Charge for up to one year USB to Micro USB charging cable included LED lumens: 64