SDNMY Rechargeable 9V Ni-MH 8.4 V 320 MAH Battery & FlashlightType & Voltage: This is a rectangular 6F22-style 9V transistor battery, featuring a nominal operating voltage of 8.4V typical for multi-cell Ni-MH rechargeable 9V configurations.
Capacity: It is rated at a high capacity of 320 mAh for extended use in low-drain electronic devices.
Common Applications: Frequently used in multimeters, remote controls, wireless microphones, smoke detectors, and small electronic toys.