Any body heard of Boost stage or mode of charging?

A friend sent me a link to a charge profile that included a Boost setting with a voltage to be entered, That profile also has a voltage setting for Absorb and Float at the same section on the input page.
I Googled it and one definition looks to be a special kind of low current charging to bring back Lithium cells or Lead Acid batteries,
I Googled it and one definition looks to be a special kind of low current charging to bring back Lithium cells or Lead Acid batteries,
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This would appear to be a rebulk then a lower voltage mini equalization of sorts, from my understanding, the Epever/ Tracer, which may be rebranded uses this, what is the charge controller in question?
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"Boost charging allows for better utilization of flooded lead acid batteries under moderate cycling in off grid applications. Boost charging encourages a short duration charging voltage—above the gassing voltage—at the beginning of the absorption charge state. Testing has shown that boost charging improves battery performance by providing a regular mixing of the liquid electrolyte. Boost charging specifically discourages capacity-robbing acid stratification and plate sulfation. Boost mode charging can be enabled by selecting 'custom' battery type and by setting the bulk voltage higher than the absorption voltage. The multi-stage charge algorithm then attempts to use the higher bulk voltage for the first hour of the absorption stage—unless interrupted by the max absorption timer or exit current threshold. 1. Boost charging encourages gassing of flooded lead acid batteries. 2. Boost charging is NOT recommended for AGM, GEL or any other electrolytelimited and/or valve regulated sealed battery application. 3. Boost charging may result in higher-than-normal water consumption. However, the benefits of boost charging are likely to be greater than the extra watering effort. Check battery water levels at least once per month. 4. Boost charging has maximum benefit when used on batteries that experience moderate cycling. An unoccupied cottage, for example, where batteries are full the majority of the time, may not benefit from boost charging - especially if battery watering is difficult."
Above taken from the Schneider Conext SCC MPPT 60 150. Copyright 2015, Schneider Electric.
This type of Boost charge is not very common in Solar Charge Controllers (in my NA-oriented opinion).
FWIW, Vic
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The best way to charge Lithium (my opinion) over time is the BMS and the charger are networked and charge based on Soc. Just too easy, safe, and repeatable. No need for external shunts and a bat mon. It does need to be designed in for residential use to do lithium safely in a home, or to have it insurable.
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However -
Standard wise, BOOST seems (IMHO) be best used as Li battery recovery:
https://batteryuniversity.com/learn/article/low_voltage_cut_off
batteryuniversity makes no major reference to boost other than that specific LI recovery mode.
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Boost to them was a mini EQ that worked. Not much Lithium when they coined the term in 2005.
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I saw a great sticky on another forum where a guy basically said there are only two types of outputs from a charging source. Constant Current and Constant Voltage. It made sense to me from an electrical framework since current and voltage are the only two things really come out of a charger. Since I haven't used a Pb battery in 10 years but have to interface with an inverter that was developed with a Pb market in mind that has been a helpful way to understand the various phrases used by manufactures. I agree standardization is pointless and the only thing that makes sense is terms like CC and CV which describe what the charger is actually doing.
In the world of Lithium batteries it is more common for people to use CC and CV since those are the two variable in any charging algorithm. Most lithium charge profiles use a profile that ends during CV stage when the current tapers to less than 10% of the charge current. Often the BMS is set to do any balancing during that stage via an individual cell voltage setting that would shunt any cell that went about a predermined setting. Years ago I had a charger that was designed for EVs and it had user profiles one of which could lower the current in CV mode to allow the BMS time to balance any cells that needed adjustment.
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