nique Technology: Original cartoon is designed by Spanish.The World's 1st Micro usb rechargeable AA & AAA Battery.The battery is explosion-proof and fire-proof.Easy To Charge: Micro usb cable included, you won't need a NiMH battery charger any more.It can be charged outdoors during the journey.No memory effect, it is easy to use it.Safe And Reliable: Taditional battery continuous discharge time is too long, once the battery temperature increases,it will produce leakage and corrode circuit board.But Ni-MH rechargeable battery is double leakage.Eco Friendly:Ni-MH rechargeable battery does not contain lead,mercury and other elements that pollute the environment, 500 times Cycles to reduce waste,green environmental protection,Satisfaction Guarantee: Each product provides a 30 day money back guarantee. We also have an excellent customer service team that can help you make the perfect shopping experience within 24 hours to contact us for more information.