Hakol Luci Solar String Lights + Phone ChargerBUILT IN RECHARGEABLE 2000 mAh LITHIUM ION BATTERY. With 100 lumens across an 18 ft cord, mobile charging, and lasting up to 20 hours on a single charge, Luci String Lights are the perfect way to light up your space. BRIGHT AND LONG LASTING. Emitting 100 lumens of power via 20 warm white LEDs across an 18 ft cord, this light provides up to 20 hours of light on a single charge, so you can keep your day going long into the night. POWER UP . With mobile