Featuresr ready to use low self discharge dr20 rechargeable ni mh batteryr no memory effects ni mh cells does not require draining before a charger very long life time and can be charged up to 1000 timesr higher current capabilities ideal for high drain applicationsr high quality d size 11000mah high capacity nickel metal hydrideni mh rechargeable batteriesr longer and more consistent runtimer compatible with all chargers that support ni mh rechargeable batteriesr can be rapidly