Large capacity: UP to 2500mAh AA rechargeable batteries, no longer to worry about the endurance of the battery, huge power allow the batteries to serve more time. Note：these precharged batteries are not fully charged, so suggest charging them first for a long use. -High Quality Ensure: The AA battery is equipped with advanced ProCyco technology, 1200 Tech, ProCyco (Professional recycle) helps maximize its best power performance while charging. -Low-Self Discharge Function: Designed with low self discharge function, the battery will maintain 80% capacity after 3 years of non-use. -No pollution：Made of environmental friendly material Ni-MH, instead of heavy metal material, doesn’t contain Hg/Cd/Pb, better for our environment. -No memory effect: These AA batteries are Ni-MH batteries, which will not be affected by charge or discharge cycles , keeping best performance in your devices. "Please be advised: To guarantee safety during transit, the battery is set to a low power state. It is essential to charge the battery for the initial use prior to operation. Product description: EBL AA Rechargeable Batteries NIMH 1.2V 2500mAh High Performance Pre-Charged AA Batteries - 8 Counts Advanced technology: Our AA rechargeable batteries are equipped with advanced and improved technology, ProCyco technology, which extends the lifespan of the battery, providing long battery life as well as service time. Low-Self Discharge Battery with advanced low self discharge function, keeping more than 80% juice even if no use for 3 years. Saving your money High quality and perfect performance, you don’t need to worry about the endurance of the battery, one rechargeable better than N disposable batteries. Saving your money from replacing disposal batteries over again. Convenient for using these AA batteries are Ni-MH batteries, don’t have memory effect. No effect by discharge cycles , can freely charging anytime. Precharged- Ready to Go These AA battery is pre-charged and you can use right now while you get them, no longer waiting to charge first. Note：these precharged batteries are not fully charged, so suggest charging them first for a long use. Universal application EBL AA battery is ultra fit for most of your electronic devices, ideal for household usage, a greener form of energy, have prefect performance for multiple applications to support your device, such as child toys,electronic toys,wireless keyboard mouse,digital cameras and so on. Battery Type: Ni-MH AA rechargeable batteries Capacity: 2500mAh Voltage: 1.2V Package contents: AA 2500mAh Ni-MH rechargeable battery x 8 Battery case x 1"