| 摘要 |
The procedure for extending the useful life of batteries includes adding new cells (12) in series with other cells (11) which are reaching the end of their life. An electronic system (2) includes a threshold voltage detector (20) controlling a switching circuit (21, 22) allowing the addition of new cells in series. When the voltage falls below a given threshold, the switching action takes place, and this is indicated. The circuit may be extended to include several sets of new batteries switched in turn. ADVANTAGE - Maximises useful life derived from batteries, allowing use of energy when voltage has started falling.
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