Features:

• Four quarter 168650 batteries
• 3-stage dimming for 10-72 hours
• Charging function of solar energy 
• Ultrathin fuselage be easy to carry about 
• Built in powerful magnet
• Red and blue warning light
• USB output 1 A current smart phone charging 
• Charge discharge volume display 

• Specification:

  • Battery capacity: 11000ma/h
  • Product size: 210*150*67 mm