Upgrade your power with the UltraFire 18350 Rechargeable Battery! With a capacity of 1200mAh and actual capacity of 900mAh, this lithium battery provides reliable performance. It's designed for easy charging and fits perfectly in your devices. Lightweight at just 54g, it's a great choice for your flashlights and other gadgets. Don't compromise on power—choose UltraFire for quality and reliability!