The NITECORE NL186 2600mAh 18650 Rechargeable Li-ion Battery is specifically designed for Nitecore flashlights， providing constant and fast power supply. Made with high-grade material and fine workmanship， it is highly reliable and durable for long-term use. This battery is equipped with integrated overcharge and over discharge protection circuits. High-efficiency cores delivers a strong and stable performance. And its 2600mAh large capacity ensures long runtime. It is definitely a quality accessory you can count on. Don’t hesitate to get one now!                                    Features            Provide constant and fast power supply for Nitecore flashlightsHighly reliable and durable for long-term useEquipped with integrated overcharge and over discharge protection circuitsHigh-efficiency cores delivers a strong and stable performance2600mAh large capacity ensures long runtimeCertified by RoHS，CE and UL                                                            Specifications            Function    NITECORE NL186 18650 Rechargeable Battery    <br>Input Voltage    3.7V    <br>Capacity    2600mAh    <br>Electricity    9.6Wh    <br>Dimensions    (2.64 x 0.71)" / (6.7 x 1.8)cm (L x Dia.)    <br>Weight    1.94oz / 55g    <br>                                                            Package Includes            1 x Nitecore NL186 18650 Battery