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electrical:12v:directcharginglfp [2022/09/17 18:25] frater_secessus [assessing your own setup for direct alternator charging] |
electrical:12v:directcharginglfp [2022/10/28 10:45] frater_secessus [assessing your own setup for direct alternator charging] |
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* standard regulators (no external regulators, internal regulator hacks, etc) | * standard regulators (no external regulators, internal regulator hacks, etc) | ||
* with rated capacities ≥120A((where stated)) | * with rated capacities ≥120A((where stated)) | ||
+ | * plain isolators, not voltage-boosting [[electrical: | ||
Since it includes screenshots the data will be for installs documented before Sept 15, 2022. | Since it includes screenshots the data will be for installs documented before Sept 15, 2022. | ||
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- Read and understand your Li battery manufacturer' | - Read and understand your Li battery manufacturer' | ||
- Read and understand your alternator' | - Read and understand your alternator' | ||
+ | - measure how much current from the alternator your vehicle requires to run its own loads. | ||
- Read and understand your isolator' | - Read and understand your isolator' | ||
- observe your vehicle' | - observe your vehicle' | ||
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- make the first test run a brief one and with the Li fairly well charged.((higher states of charge will typically lessen current demands to some degree))((if you have paralleled batteries you might want to do this step with just one in place to get a feel for the draw.)) | - make the first test run a brief one and with the Li fairly well charged.((higher states of charge will typically lessen current demands to some degree))((if you have paralleled batteries you might want to do this step with just one in place to get a feel for the draw.)) | ||
- test it with a drive. | - test it with a drive. | ||
- | - repeat the last two steps with the Li bank at lower and lower states of charge, down to the lowest | + | - repeat the last two steps with the Li bank at lower and lower states of charge, down to the lowest state of charge you expect to recharge from alternator. |
- disconnect the isolator with a switch when you come to the desired SoC | - disconnect the isolator with a switch when you come to the desired SoC | ||