WebApr 11, 2024 · Split Charge Relay. Using a split relay to charge your LiFePO4 leisure batteries is a common and effective charging method. A split relay, also known as a voltage sensitive relay (VSR), is a type of relay that connects the battery bank of your campervan to the alternator of your vehicle. When the engine is running, the alternator produces … WebJul 20, 2024 · Typically, when you start your vehicle and your alternator is charging the starting battery, you will get some charging to your lithium battery while the alternator is outputting at bulk or absorption voltage. ... Now you are driving under California sun for 8 hours, At 14.4v your LiFePo4 battery will backfeed and charge your towing vehicle ...
Lithium Battery Charging with Aux. Alternator - SailNet Community
WebNov 4, 2024 · Protecting the alternator from a load dump; Increase charging from the alternator ; All references to lithium batteries in this post are related to LFP / LiFePO4 / LiFeYPO4 / lithium iron phosphate … WebNov 7, 2024 · Also, as I understand it (maybe wrong) the obstacle with alternator charging LI is the BMS might disconnect the batteries - the voltage spike then goes into the system and can take everything out that is connected, not just the alternator. ... Update, charging the LiFePO4 with a 30 amp Charles charger on the start battery through a 30A Orion DC ... newly weds foods chicago il
Protecting your alternator when switching to lithium
WebThat same alternator, charging a 600Ah house bank, would be at maximum output for close to two hours straight. Most owners of marine engines would kill for a 150A rated alternator instead of the grossly undersized 35A-80A alternator many marine diesels are shipped with. ... LiFePO4 Alternator Sizing – If you intend to feed a LiFePO4 battery ... WebFeb 24, 2024 · 3. Using an external voltage regulator. With this configuration, you use an external voltage regulator to connect the alternator to the lithium battery. Then, you use a DC-to-DC charger to connect the lithium battery to the starter battery, as shown in the image below: Source: Climatebiz. WebCharging Source: Alternator and DC to DC Chargers Depending on the quality of the alternator it may work fine with LiFePO4 batteries. However, low quality alternators with poor voltage regulation can cause the BMS to disconnect LiFePO4 batteries. If the BMS disconnects the batteries the alternator may be damaged. newly weds foods chicago fire