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electrical:12v:alternator [2019/06/23 20:29] frater_secessus [lithium] |
electrical:12v:alternator [2019/06/23 20:41] frater_secessus [sizing an isolator] |
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===== sizing an isolator ===== | ===== sizing an isolator ===== | ||
- | If an isolator is **oversized** it will cost more for no benefit and will self-consume | + | If an isolator is **oversized** it will cost more for no benefit and will self-consume |
+ | If an isolator is **undersized** (less common) it will not be able to carry enough current, | ||
==== flooded lead-acid ==== | ==== flooded lead-acid ==== | ||
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Example: | Example: | ||
* Because lithium can use about 80% of it's capacity instead of 50% for lead-acid, 120Ah of lithium is a common replacement for 200Ah lead-acid banks. | * Because lithium can use about 80% of it's capacity instead of 50% for lead-acid, 120Ah of lithium is a common replacement for 200Ah lead-acid banks. | ||
- | * drop-in lithium banks like battleborn | + | * drop-in lithium banks like [[https:// |
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**Sudden disconnection of a large load((including a charging battery)) when the alternator is running** can damage the alternator and any operating chassis electronics. | **Sudden disconnection of a large load((including a charging battery)) when the alternator is running** can damage the alternator and any operating chassis electronics. | ||
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* a BMS shuts off lithium charging. | * a BMS shuts off lithium charging. | ||