The Lighthouse SB372000 is a rechargeable lithium-ion battery designed as a replacement power source for compatible Lighthouse headlamp models. This 18650 format battery provides reliable cordless operation for the L/HHEAD350 and L/HEHEAD150R head torches, ensuring tradespeople and professionals can maintain their lighting equipment with minimal downtime. Built to 18650 industry-standard dimensions, this replacement battery delivers 3.7 volts with a 2000mAh capacity, providing dependable runtime for demanding work environments. The rechargeable lithium-ion technology offers consistent power output and can be recharged multiple times, making it a cost-effective solution for maintaining head torch performance. Ideal for electricians, engineers, and contractors who rely on hands-free lighting in confined spaces or low-light conditions, this battery ensures your Lighthouse headlamp remains operational when you need it most. Having a spare battery readily available means you can continue working without interruption during extended jobs or when working in remote locations where charging facilities may not be accessible. Features and Benefits: • Rechargeable lithium-ion technology for repeated use and cost savings • 2000mAh capacity provides extended runtime between charges • Standard 18650 format ensures reliable fit and performance • Compatible with Lighthouse L/HHEAD350 and L/HEHEAD150R head torches Specifications: Accessory Type: Li-ion Battery Voltage: 3.7V MilliAmp-Hour: 2000mAh Size: 18 x 70mm