From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Test figures for a Westric Charger Type 12V.1A, showing current output at various tappings for discharged and charged batteries.
| Identifier | ExFiles\Box 164\4\ img104 | |
| Date | 3rd April 1933 | |
| Westric Charger Type 12V.1A. x6122, 3-4-33 L.B. The following figures were taken on a fully charged, and fully discharged battery. | Tappings | current output amperes | | |---|---|---| | 210V | 1.26 | Battery discharged | | 230V | 1.23 | | | 250V | 1.30 | | | 210 | 1.16 | Battery fully charged | | 230 | 1.12 | | | 250 | 1.17 | | | ||