This rechargeable 14.4V lithium-ion battery from EXFO America is designed for reliability and safety, featuring a smart interior circuit board that provides advanced battery-unbalanced shut-off protection. Made from environmentally friendly materials, it ensures no harmful substances like lead or mercury are present, making it a sustainable choice for users. Alongside its overcharge and thermal runaway protection, this battery offers compatibility across a range of EXFO products, making it a versatile replacement option. With a sizable capacity of 3400mAh and a design that prevents memory effect, this battery is built to perform consistently in various environmental conditions, making it a dependable power source for your fiber optic tools.