Kraken 26650 6000mAH Battery With Built-in Charger

You’ve got your Kraken NR-2000, now it’s time for a powerful rechargeable battery. The Kraken 26650 6000mAH Battery with Built-in Charger gives your NR-2000 a burn time of 90 minutes at 2,000 lumens. That’s a lot of power! The average flashlight is less than 150 lumens. So you’ll be able to see your surroundings bright and clear. Once your battery dies, charging it is super easy. Simply plug a micro USB cable directly into the battery, and boom! You’re charging.
This battery is compatible with the NR-2000, LTD 2500, Hydra 2500 V2, and the Ringlight 3000. 
Kraken 26650 6000mAH Battery with Built-in Charger Features:

6000mAH
90 minute burn time in the Kraken NR-2000
Rechargeable
Built-in micro USB charging port