SL-35X™ Battery Nickel-cadmium 6 Volt, 2.4 amp hour, ½ D; rechargeable up to 1,000 times Lamp 20 watt, hard glass halogen pre-focused in spun reflector Material Machined aluminum anodized against corrosion inside and out; unbreakable polycarbonate lens. Color Black Weight (with battery) 2.8 pounds Length 17.5 inches Run Time 1.5 hours of continuous use between charges Candlepower* Up to 40,000 pre-focused Special Features 120V, 230V, or 240V AC or 12V DC chargers