Solar flashlights eliminate the need to purchase batteries regularly, which can be expensive over time. Once you invest in a solar flashlight, it can provide free energy as long as there is sunlight available, resulting in significant cost savings.

Generally, a charge can produce light for several hours. These flashlights typically still have batteries to store the solar energy, but the batteries last much longer than regular batteries (about 2500 hours of use compared to the 15 hours of a normal battery).

The IMALENT SR32 weighs almost 5 pounds, has a shoulder strap, and can blast 120,000 lumens of light more than 2,000 m. This is the world's brightest flashlight, at least for now.

Solar powered flashlights (American English) or solar powered torches (British English) are flashlights powered by solar energy stored in rechargeable batteries. Most of these flashlights use light-emitting diodes lamps since they have lower energy consumption compared to incandescent light bulbs.