Appendix:
Battery Details.
NiMH rechargeables are available in high capacities which will give long life but the voltage is .3 of a volt less per battery. This compounds with the more batteries used, for example: 6 × 1.5 (9 volts) becomes 6 × 1.2 = 7.2 volts.
| Image not to scale. |
Common Name. |
Dimensions. Length × Diameter. |
Chemical Composition. | Nominal Voltage. |
|---|---|---|---|---|
| D. | 62 mm × 33 mm Contacts: |
Zinc Carbon Zinc Chloride Alkaline NiCd NiMH |
1.5 volts. 1.2 volts |