Nowadays, more and more items are powered by solar. That’s including this water bottle from SolLight. Named LightCap, this cap has a built-in solar panel to provide a solar-powered LED light. Stands 8 ¼” tall and 3 ¾” wide and has a 32 oz capacity, the water bottle would be a perfect must-have item for your night outdoor activity, such as camping. You can save some spaces for other items, while still carrying the necessary ones: light and water.

The LightCap only need four hours to fully charged, so you can just hang it during the day and you’ll have enough light for the whole night. The rechargeable Ni-Cad batteries itself will last for at least 300 cycles. There’s also a handy waterproof switch on the cap that lets you change from the white LED (bright), to red (preserves your night vision), or turn it off completely. You can leave the red light on all night (minimal energy draw) so you can easily find the bottle, then switch it to white if you need a light.

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