EBL AA Rechargeable Batteries (4 Pack) and LCD Smart AA & AAA Battery Charger with Discharge Big Home Basic Combo Sale for our customer, high quality and high performance. Included: EBL AA 2300mAh Ni-MH rechargeable battery (4 Packs) and 4 Bay Charger with Discharge Fuction. The charger comes with discharge function, simple to use by only press the orange botton to transer Charge-Discharge mode. Unique algorithm to detect bad or defective batteries and cease charging automatically Quality ensured with 30 days worry-free money back and 1 year limited warranty.