Engineered for reliability and efficiency, this lithium-ion battery is designed to power EX1 equipment with ease. Featuring a capacity of 3400mAh and a voltage of 3.6V, it provides robust energy storage to support various applications in splicing, testing, placing, and locating, particularly within OTDR systems. The inclusion of a protection board enhances safety and longevity, ensuring that you can rely on this battery for consistent performance. Compactly designed with a size of 18650, it effortlessly fits into your equipment, making it an essential accessory for professionals needing dependable energy sources in the field.