No batteries to replace, always ready to shine – the Energizer Weatheready Compact Rechargeable Light makes the ideal emergency flashlight. Stay prepared with this rechargeable handheld compact flashlight. Built-in NiMH battery recharges overnight when plugged into a wall outlet, delivering a runtime of up to 3.5 hours. Retractable sliding plug system transforms the wall unit into a handheld emergency flashlight.