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** I think I found a dc dc charger ** I am looking at the Conext MPPT 60 150Solar Charge Controller. It is marketed for PV to battery charging, but in the manual under features it says it "will also work with other DC sources." It can be paralleled for more current. The menus allow for the...

How long does it take to charge the two modules for example from 20% up to 80% at that rate?

OK, thanks for the input, I just learned what an S number is thanks to you. So these tesla batteries have 6 cells in series and thats why the lower voltage/charge profile. Good to know. The Victron Buck Boost seems so expensive ( $1100 / 50A ) where the Sterling was more like $900 / 200A. The...

500 watts is from the spec sheet which says 4 amps 115v full load amps. So yeah, probably more like 2.5 or 3 running amps. Also, I have room for 2 tesla batteries, that makes 10.4 kWh. I'm not worried about how long it lasts on batteries, just that I can shut down all the engines and not have...

Right now, I have one beverage air undercounter fridge ( ucr34 ) at about 500W and one melter at 500W, but both have a duty cycle below 50%. I want to have a provision to automatically start the APU and charge the battery when the inverter cuts out from low voltage. I assume deep discarge is bad...

Do you think I can use a sterling charger [ https://sterling-power.com/collections/alternator-to-battery-chargers/products/alternator-to-battery-chargers-up-to-400a?variant=878104907 ] to charge my Tesla Model S battery module, 24V, 250Ah,5.2kWh from an 24v alternator ? (The alternator is really...

smoothJoey, decisions were made, a major factor was the air conditioner/ hvac system, which uses belt drive compressors off the APU. I already have the prestolite units. Why not 48V? the aircon, bus chassis, motive power starter (cummins) and samlex inverter were already onboard at 24v, and...

Hello All, I am building my dream: an mobile espresso hot chocolate shop. I have the bus with new engine and transmission. I have the italian espresso machines and american chocolate melters. Now I need a robust power system to run the food equipment. That Is what this conversation is about...