EagleTac Li-Ion 3.7V 2500 mAh Rechargeable 18650 Battery.
Please check manufacturer specifications before inserting one of these batteries in a light to ensure compatibility. Putting a lithium ion light in a light that is not made to handle them can possibly ruin the light.
Please note that we cannot ship lithium batteries of any kind to an international address via USPS. International orders containing only lithium batteries will be canceled and refunded. International orders containing lithium batteries and other items will be held while we contact you for further information. Contact us if you would like a quote for DHL or another form of shipping, but be aware that the cost is much higher than via USPS.