Features: 1) High quality 9V rectangular size rechargeable nickel metal hydride (Ni-MH) battery with ultra high capacity of 250mAh 2) Exact replacement for standard 9V rectangular size battery 3) Provides very long use time per charge with this high 250mAh capacity 4) Advanced Ni-MH technology means much longer use life per charge than the ordinary rechargeable ones 5) Designed for enhanced performance for high drain applications such a R/C controllers, detectors, transmitters and other portable high drain digital electronics 6) Can be recharged for up to 1,000 times, providing big saving by replacing hundreds of expensive throw away 9V rectangular size batteries 7) Convenient operation without memory effect 8) Can be charged anytime 9) Can be rapidly charged with our chargers model BC1HU, V1199B, V3969A1 and V228 10) Dimensions: (H x L x W): 48 x 26 x 16mm 11) Weight: 0.1lbs per cell 12) Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality and life time