Includes 8 rechargeable AA batteries and compatible TN477U fast charger 1.2V Rechargeable AA batteries are long lasting with 2500mAh capacity Tenergy's AA rechargeable batteries are standard size and can be easily switched with any single-use AA battery TN477U LED charger is compatible with both AA and AAA rechargeable NiMH batteries Fast charger is powered by a micro USB port, and can be recharged without an AC outlet Certified by FCC, CE, CEC and includes built-in protections against, short-circuits, and reverse polarity. Charger includes Tenergy’s 12 months manufacturer warranty