NITECORE NL1840 18650 4000mAh 3.6V Protected Lithium-ion (Li-ion) Button Top Battery

Nitecore NL1840 Li-Ion Battery

High-Performance Battery

If you want power that ensures your flashlight will always perform at its peak, use the Nitecore NL1840! Its 4000mAh capacity and 3.6V voltage make it an excellent 18650 battery for powering your favorite flashlights. Its rechargeable lithium-ion chemistry gives it a lifespan of 500 charge cycles for years of use.

Safety Features

This 18650 battery is designed without the use of mercury, lead, and cadmium, making it an environmentally and user-safe power supply so you can use your flashlights worry free. With internal protections against short-circuiting, overcharge, and overdischarge, this battery maintains safe, peak performance even after hours of use in all your favorite gear. Its nickel-plated stainless steel protectors, combined with a metallic film, also protect it against oxidation, scrapes, and impacts so your flashlight can keep going even if you drop it in tough conditions.