A: The total Open Circuit Voltage should be between 35-150V. 1 x POWEROAK SP120 / SP200 cannot charge this portable power station; we recommend 3 x POWEROAK SP120 / SP200.

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Not sure exactly what you need to wire in your campervan electrical system?

hours/3.5 nights: auto ramp pressure set at 5-12, climate line tube temp OFF, and climate control humidity OFF, The PowerOak400Wh is a great-looking unit with easy-to-use design, complete with a comfortable carrying handle.

Flexible Recharge from Solar/Wall outlet/Car/Generator】Keep your PowerOak AC50S at all times fully powered whenever you are at home, outdoor explore or on your road travel. Fully recharge your AC50S in 6-6.5 Hrs by AC adapter/generator, about 6-7 Hrs from solar panel( PowerOak SP 120 120 W solar panel, solar charge mode : MPPT), 5 Hrs/2.5 Hrs from 12V/24V car. The unique features are: (1) Portable & Powerful: With its high capacity (336.96Wh/93600mAh), only 5LBS, Compared with other AC 110V power stations, it is more weight lighter, more efficient, and less power loss. It can power the CPAP machine for about 40 hours without a humidifier & heater. (2)AC/Car/PV 3 Recharge Ways: 1) it can be fully charged in 6-7 hours by wall outlet (AC adapter included); 2) 8 hours to fully charged from solar panel (40W, not included); 3) it also can be charged by car (Need DC to AC Car Power Inverter, Car power inverter is not included).

Calculating how many solar panels to install should be one of your first considerations.

Versatile Outlets] – 2 AC ports, standard USB-A/Type-C/Car port plus 2 wireless charging pads always can service your various needs, while a 12V/25A DC port will power your DIY work.

Efficient Recharging Rate] – AC200P supports up to 700W solar and 500W AC input, allowing you to fully recharge it in 2.5 hours by solar+AC or dual AC charging.High Capacity 500 Wh Power Station】 PowerOak AC50S built in 500Wh lithium-ion battery cell with over 1000+ life cycle, providing plenty of power for various devices such as laptops ( 60 W, 7-8 times), smartphone ( 7 W, 50 times), car refrigerator ( 45 W, 9 Hrs), C-PAP ( 60 w, 8 Hrs), etc. Prepared for any unexpected power outage for indoor and outdoor. The integrated BMS ensures the lithium battery is fully protected from over and under-voltage, short circuit and low temperatures. LCD screen