Charge time of 8 hours yields a minimum of 6-12 hours of light
Charges in both direct sunlight and incandescent light
Retains 50% of charge for 2 years if inactive
Ten white Light Emitting Diodes (LED's) with 4000 mcd light source
Delivers up to 80 lumens providing 15 sq ft of light
Rechargeable lithium polymer battery pack- 300 - 500 cycle life
There are no further costs associated with lighting.