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 ...