ReVIVE Solar Charger & 4000mAh Power Bank (Black) with 2.1A USB Charging Port, Carabiner Clip Works with Apple, Samsung, HTC & More Smartphones & Rechargeable Devices! 4000mAh battery is ideal for giving mulitple charges to your Apple , Samsung , HTC , LG , Blackberry , Microsoft , Motorola and other USB charging devices ; Charges at a MAX rate of 2.1 amps External battery pack recharges up to 1,000 times from solar or USB power - PLEASE NOTE: On 1st use, charge to 100% by USB, then drain fully so that the Li-polymer battery chemicals can be broken in Solar Charging Time: 13 hours in direct sunlight - high-efficiency 300mA ; USB Charging Time: 4 - 6 hours Includes USB charging cable, metal carabiner, solar panel extender (for future upgrade) ; Features 36-hour on-board LED flashlight , emergency settings & LED capacity indicator High Quality - 3 YEAR WARRANTY ; Dimensions - 6.7(L) x 3.6(W) x 0.8(H) ; Weight - 8 ounces