Features:<br>Rechargeable battery with high capacity of 2600mAh.<br>With protection circuit board, guards against over-charge, over-discharge and over-current.<br>Improved voltage stability due to low internal resistance.<br>Suit for flashlight, headlight and other devices.<br><br>Specifications:<br>Brand: NITECORE<br>Model: NL186<br>Voltage: 3.7V<br>Capacity: 2600mAh<br>Item Size: 6.6 * 1.7 * 1.7cm / 2.6 * 0.7 * 0.7in<br>Item Weight: 49g / 1.7oz<br>Package Size: 14 * 7.8 * 2.4cm / 5.5 * 3.1 * 0.9in<br>Package Weight: 60g / 2.1oz<br><br>Package List:<br>1 * 18650 Li-ion Rechargeable Battery