9-V Battery /986 Opening up 9-V battery: LR61 battery Capacity:0.625 Ah Voltage:1.5 V Size:o8.3×42.5 In Series vs.In Parallel https://en.wikipedia.org/wiki/Nine-volt_battery Application: Series:increase in V,same C Parallel:increase in C,same V 452 Addressable Smoke Detector 1515 9-V Battery https://en.wikipedia.org/wiki/Nine-volt_battery Opening up 9-V battery: LR61 battery Capacity: 0.625 Ah Voltage: 1.5 V Size: ø8.3 × 42.5 In Series vs. In Parallel Series: increase in V, same C Parallel: increase in C, same V Application: