Ledlenser’s ML4 (150lumen/76g) and ML6 (550lumen/260g) are great choices. Tough, compact, durable, light. The ML6 has a bluetooth control that allows for total adjustment and config from an smartphone, great for reading in the hammock before sleeping. It also works as power bank. Proprietary recharging cable (magnetic) though is a downside IMO. Luminaid series are awesome too. Inflatable, 150 and 300 lumen options, with solar panel for recharging (it’s fast if there’s sun) and also works as power bank (USB-C type outlet). Very effective, clever design. Recharging is through common mini-USB much more versatile.