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electrical:12v:directcharginglfp [2024/03/20 12:05] frater_secessus [assessing your own setup for direct alternator charging] |
electrical:12v:directcharginglfp [2024/04/04 11:51] frater_secessus [reasons NOT to attempt direct charging] temp |
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* you have a **small or already-overloaded alternator** | * you have a **small or already-overloaded alternator** | ||
* you **already own a DC-DC** | * you **already own a DC-DC** | ||
+ | * your BMS has no low temp charging disconnect and you have no desire to work around that((to be fair, this also rules out DC-DC that lack low-temp disconnect)) | ||
* you **want predictable charging rates**, like 40A over the next hour. DC-DC will provide this((barring interference from big chassis loads, BMS protections, | * you **want predictable charging rates**, like 40A over the next hour. DC-DC will provide this((barring interference from big chassis loads, BMS protections, | ||
* you want **stable charging rates** regardless of state of charge((acceptance will taper in Absorption if present)) | * you want **stable charging rates** regardless of state of charge((acceptance will taper in Absorption if present)) | ||
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* Only alternator charge while driving ([[rv: | * Only alternator charge while driving ([[rv: | ||
* Pay attention while charging from alternator to keep from overcharging the Li or holding for long periods at high [[electrical: | * Pay attention while charging from alternator to keep from overcharging the Li or holding for long periods at high [[electrical: | ||
- | | + | * if current is excessive but you want to direct-charge, |
- | | + | |
===== the parts list ===== | ===== the parts list ===== |