10 pack 9V batteries - Exact replacement for standard 9V sized batteries. Replace single-use 9V batteries with these NiMH 9V rechargeable batteries. Standard 9V rectangular size battery dimensions: 48mm x 26mm x 16mm (H x L x W). Tenergy NiMH 9 volt battery can be recharged up to 1000 times. They will pay for themselves after 10 cycles. Reduce your carbon footprint by limiting the waste caused by disposable single use batteries. Switch over. Save. Reuse. Recharge with Tenergy. These reusable high capacity 9 volt rechargeable battery is ideal for high/low draining electronic items. Use it in all your devices such as, TENS Unit, smoke detector/alarms, metal detector, wireless microphones, digital cameras, digital alarm clock, guitar magnetic pickup, and much more. Each battery has 250mAh capacity, the Tenergy 9V cells keep your devices running longer. With no memory effect on our rechargeable 9V nickel metal hydride battery, recharge your batteries anytime. 9V replacement battery includes a 90-day warranty and lifetime support from our friendly and knowledgeable customer service. They also have European RoHS (Restriction of Hazardous Substances) compliant certifications. Features and Benefits * 9V rectangular size rechargeable Nickel Metal Hydride (NiMH) battery Ultra high capacity of 250mAh * Exact replacement for standard 9V rectangular size battery * Provides very long use time per charge with this high 250 mAh capacity * Advanced Ni-MH technology means much longer use life per charge than the ordinary rechargeables * Designed for enhanced performance for high drain applications such as: R/C controller, detector, transmitter, paintball guns and other portable high drain digital electronics * Can be recharged for up to 1000 times, providing big saving by replacing hundreds of expensive throw away 9V rectangular size batteries. * Convenient operation without memory effect. Can be charged anytime. * Can be rapidly charged with our chargers model BC1HU, V1199B, V3969A1, V228, T6278, T2299...etc. * Dimensions: (H x L x W): 48mm x 26mm x 16mm. * Weight: 0.1lbs per cell * Battery tested based on International Electronic Commission (IEC) standards