Besides disposable cells, options include internal rechargeable lithium‑ion packs, solar‑rechargeable power, and USB power/charging on some models.
Options range from simple on/off to dimming and multiple preset modes. Some models offer multi-level brightness (high/medium/low), full dimmable ranges, or multiple preset modes (for example, 8 modes).
Brightness in these listings ranges from low-output accent lights around 7 lumens up to brighter portable lanterns of about 250 lumens.
These lights are generally compact and easy to carry. Examples in these listings show lengths/heights around 5.5 to 10 inches and weights from about 0.26 to 0.8 pounds, suitable for travel and small-space use.
Some models include protective features such as water resistance and impact resistance to withstand outdoor or rough use.