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electrical:12v:alternator [2020/07/12 20:40] frater_secessus [gotchas] |
electrical:12v:alternator [2020/10/11 11:46] frater_secessus [gotchas] |
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===== gotchas ===== | ===== gotchas ===== | ||
- | Alternator charging may bring some battery chemistries (like lithium) to **unsuitably high voltages**. | ||
- | Voltage-sensing regulators can be [[http:// | + | Solar charging while the isolator circuit is closed (ie, batteries connected) can pass higher-than-normal voltage to the chassis and starter battery. |
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+ | Voltage-sensing regulators can be [[http:// | ||
**Idling the engine** to charge house batteries **can seriously overheat the alternator**. | **Idling the engine** to charge house batteries **can seriously overheat the alternator**. | ||
In early morning when house battery voltage is lowest, **a plain solenoid may unintentionally allow depleted batteries to pull down the starter battery**. | In early morning when house battery voltage is lowest, **a plain solenoid may unintentionally allow depleted batteries to pull down the starter battery**. | ||
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+ | Solar charging while the isolator circuit is closed may [[opinion: | ||
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+ | Alternator charging may bring some battery chemistries (like bare lithium cells with no BMS) to **unsuitably high voltages**. | ||
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===== wiring ===== | ===== wiring ===== |