Durability: Durability is mainly reflected in waterproofing (IPX8 level), drop resistance (1-2 meter drop test) and material (aerospace aluminum alloy).
Battery technology: Lithium-ion batteries and USB-C fast charging are currently mainstream, and some models support solar charging
Applicable scenarios: Multi-level dimming (such as low-level 10 lumens for camping, high-level 1000 lumens for search and rescue) and special modes (SOS, strobe) are the key to purchase.
