I've really enjoyed these...they hang at different angles, are USB rechargeable, and have a red light option (which doesn't attract bugs as much and preserves your night vision):

SUBOOS Gen 2 Pro LED Camping... https://www.amazon.com/dp/B00Z5WYESW

Also, this one has been great since it can be recharged by USB or solar, and has multiple colors of light:

LuminAID PackLite Spectra USB... https://www.amazon.com/dp/B072F2YSHB