tenergy9v batteryrechargeable 250mah 4pcsnimh square batterywith 2 bay9v battery chargerfor smoke alarm/detector

Tenergy TN141 2 Bay 9V Smart Charger for Ni-MH Batteries Rapid charging Worldwide voltage 100V ~ 240VAC Automatically detect-Delta V Microprocessor controlled to ensure charger safety LED indicator for each individual bay Features: Applicable for 9V rechargeable Ni-MH batteries Worldwide voltage 100V ~ 240VAC Built-in micro-controller to ensure full charge 5hr safety timer Circuit / polarity protection Automatically detect - delta V LED indicator for each individual bay Indicator status: Charging: RED, Fully charged: GREEN Specifications Outlet input voltage: 11.4V Charge current: 100mA x2 Operating Temp: 0 ~ 40C Weight: 83g Tenergy 9V 250mAh Features and Benefits: High quality 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 other rechargeables Designed for enhanced performance for high drain applications such as: R/C controller, detector, transmitter, and other portable high drain digital electronics Can be recharged for up to 1000 times, providing big savings by replacing hundreds of expensive throw away 9V rectangular size batteries. Can be rapidly charged with our chargers model TN141, TN136, TN137, BC1HU, V1199B, V3969A1, V228. Dimensions: (H x L x W): 48mm x 26mm x 16mm. Weight: 1.6oz per cell Battery tested based on International Electronic Commission (IEC) standard to ensure capacity, quality and life time Note: TN141 charger is designed to work with button top rechargeable batteries, does not work with flat top batteries.