Concerning my Elite 200 v2
What voltage should I adjust my charger 1 to ?
Tought that lithium batteries should be charged at 14,2 to 14,6 volts , I see some that say 27 volts ,how can this be ?
Thanks
Dan ,
You don’t need to adjust charge voltage, it’s done automatically by the inbuilt charger. You can adjust the charging wattage i.e. In Silent mode = 800W, Standard Mode = 1,200W and Turbo Mode = 2,300W. This will affect time to charge - the lower the wattage the longer it takes.
Unless time is critical the lower the charge wattage, the kinder it is to the batteries.
Power stations are made up of a collection of 3.6V LFP batteries in Series and Parallel connection. Small units operate at a nominal 28VDC, mid range at 38VDC and larger at 56VDC. The inbuilt charger is preset to the power station battery voltage. 
When I built my RV coach battery with 4 eve grade A 3,2v cells ,I had to charge at 14,4 volts
I have a hard time understanding that my bluetti 200 elite would needa 27 volts input ?
Is there a component that brings it down to 14,4 volt or what is it that I dont understand 
There are 2 charging inputs to the Elite 100.
- Is the AC power cable, here in AU it is 240VAC, not sure where you are, but if the U.S. 115VAC. This is for grid charging or from a fuel generator.
- The other is the DC input port - XT60. It has an input range of 12 to 60VDC at up to 20amps and is connected to an inbuilt MPPT solar controller. You do not need an external MPPT solar controller between the solar panels and the Elite 200. It will also accept a nominal 12VDC from a vehicle or 24VDC from a larger motorhome. You do not need a battery charger with a charge profile, only raw DC power from any source within the above voltage range,
As I mentioned in my first reply, all of the chargers for the Elite are inbuilt all you need is a source. Even though the Elite’s battery is 27VDC at its output to the system, its inbuilt inverter converts this to the AC outlets and a separate converter changes the 27V to the 12V outlets and the 5V USB-A and up to 20V USB-C outlets.
It would help if you explain what you are trying to charge the Elite with from your RV.
The primary charging point I make is; If you input 12V at 20A = 240W of charge. If you input 50V at 20A = 1,000W of charge. This relates to charge time. So long as it is within the limits, especially the 60V high limit, you can use whatever is available. The electronics inbuilt takes care of the rest.