Neon Mart via Amazon offers Prime members the Lighting Ever 700-Lumen LED Rechargeable Tactical Flashlight for $15.99 with free shipping. That's the lowest price we could find by $4. It features a 10-watt T6 LED bulb, up to a 700-lumen output, three lighting modes, IPX8 water resistance (suitable for water immersion), aluminum alloy body, and built-in rechargeable Li-ion battery with up to eight hours of light per charge (at half brightness).