These are awesome Solar LED lightbulbs

We bought some of these 5 years ago and they are still going strong.

TechKen Solar Bulbs Lights Outdoor 2 Sets Soft White Non-Dimmable No Need Energy Infinite Light

Source: https://amzn.to/37jvbi6

by TechKen

4.2 out of 5 stars 36 ratings
Price: $20.97

EASY PORTABLE AND HANGING -- Comes 2 solar bulbs, each includes a hook so it’s easy to hang on tree, camping tent or the patio. They perfect for outdoors use since it’s portable, much better then flashlight when you want to see thing around you. The light range is up to 5 meters.
All Clean Solar Powered Light Bulbs -- This solar light is based on solar energy, which is clean, endless and environmentally friendly. During the day, when there is the sun, the solar panel can convert solar energy into electrical energy and store it in the battery. The charged bulb can be used as a mobile lighting lamp.
Flexibility and Convenience - Not just for outdoors use, you could even put the solar panel somewhere to get solar and hang the light bulb inside your house! The wire is up to 3 meters
Brightness and Long Battery life -- Sized as a normal LED bulb but the it’s brightness up to 110 Lumens with 12 LED beads. One time fully charged battery will be on constantly over 5 hours
Durable and Weather Resistance -- It’s durable to be used for 500, 000 hours. You put it outdoor with no worries on storm or rainy days