This is a high-performance replacement battery for the ULTRAFIRE 18650 BRC RECHARGEABLE. The battery is 2.69 x 0.71 x 0.71 inches with an output of 3.7 volts. The chemistry is LI-ION at 4000mAH capacity. Manufactured by Utrafire, model number FLB-18650-4.0. We offer a 1 Year Warranty with purchase. See this product elsewhere at a lower price? Call or email us; we have a Price Match Guarantee.
Compatible with most 18650 based lighting tools(as headlamp ,flashlight ,laser pen,
emergency lighting, portable devices, power tools)
Received these batteries and inserted them into an LED flashlight. They worked right away and helped produce a strong, bright light.
Charged them up a little more for optimum performance and they work fantastic........Thank You!
Product arrived as ordered. Yet to recharge.
Great price and service.
Works nice in my stun gun