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).
Instruction book page detailing the care, charging, and discharging rules for a battery.
| Identifier | ExFiles\Box 26\2\ Scan200 | |
| Date | 10th August 1920 | |
| X995 10/8/20 -1- X995 INSTRUCTION BOOK. X664 C. CARE OF BATTERY. CAREFUL OBSERVATION OF THE FOLLOWING SIMPLE RULES WILL ALMOST INVARIABLY SECURE SATISFACTORY RESULTS:- CHARGING RULES. WHEN CHARGING BATTERY FROM AN EXTERNAL SOURCE, DO NOT ALLOW THE CURRENT TO EXCEED 8 AMPERES, AND BE CERTAIN THAT IT IS PASSING IN THE RIGHT DIRECTION. DO NOT EXCESSIVELY OVERCHARGE. DISCHARGING RULES. DO NOT DISCHARGE ANY CELL BELOW 1.8 VOLTS, MEASURED WHILE LAMPS ARE LIGHTED FROM THE BATTERY, AND DO NOT ALLOW THE BATTERY TO STAND WITH A CELL IN THIS CONDITION. Contd. | ||